source: functions.c @ bfbf590

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Last change on this file since bfbf590 was bfbf590, checked in by Nelson Elhage <nelhage@mit.edu>, 14 years ago
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1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <signal.h>
5#include <netinet/in.h>
6#include <string.h>
7#include <time.h>
8#include <sys/types.h>
9#include <sys/stat.h>
10#include <sys/wait.h>
11#include <errno.h>
12#include <signal.h>
13#include "owl.h"
14
15static const char fileIdent[] = "$Id$";
16
17void owl_function_noop(void)
18{
19  return;
20}
21
22char *owl_function_command(char *cmdbuff)
23{
24  owl_function_debugmsg("executing command: %s", cmdbuff);
25  return owl_cmddict_execute(owl_global_get_cmddict(&g), 
26                             owl_global_get_context(&g), cmdbuff);
27}
28
29void owl_function_command_norv(char *cmdbuff)
30{
31  char *rv;
32  rv=owl_function_command(cmdbuff);
33  if (rv) owl_free(rv);
34}
35
36void owl_function_command_alias(char *alias_from, char *alias_to)
37{
38  owl_cmddict_add_alias(owl_global_get_cmddict(&g), alias_from, alias_to);
39}
40
41owl_cmd *owl_function_get_cmd(char *name)
42{
43  return owl_cmddict_find(owl_global_get_cmddict(&g), name);
44}
45
46void owl_function_show_commands()
47{
48  owl_list l;
49  owl_fmtext fm;
50
51  owl_fmtext_init_null(&fm);
52  owl_fmtext_append_bold(&fm, "Commands:  ");
53  owl_fmtext_append_normal(&fm, "(use 'show command <name>' for details)\n");
54  owl_cmddict_get_names(owl_global_get_cmddict(&g), &l);
55  owl_fmtext_append_list(&fm, &l, "\n", owl_function_cmd_describe);
56  owl_fmtext_append_normal(&fm, "\n");
57  owl_function_popless_fmtext(&fm);
58  owl_cmddict_namelist_free(&l);
59  owl_fmtext_free(&fm);
60}
61
62void owl_function_show_view(char *viewname)
63{
64  owl_view *v;
65  owl_fmtext fm;
66
67  /* we only have the one view right now */
68  v=owl_global_get_current_view(&g);
69  if (viewname && strcmp(viewname, owl_view_get_name(v))) {
70    owl_function_error("No view named '%s'", viewname);
71    return;
72  }
73
74  owl_fmtext_init_null(&fm);
75  owl_view_to_fmtext(v, &fm);
76  owl_function_popless_fmtext(&fm);
77  owl_fmtext_free(&fm);
78}
79
80void owl_function_show_styles() {
81  owl_list l;
82  owl_fmtext fm;
83
84  owl_fmtext_init_null(&fm);
85  owl_fmtext_append_bold(&fm, "Styles:\n");
86  owl_global_get_style_names(&g, &l);
87  owl_fmtext_append_list(&fm, &l, "\n", owl_function_style_describe);
88  owl_fmtext_append_normal(&fm, "\n");
89  owl_function_popless_fmtext(&fm);
90  owl_list_free_all(&l, owl_free);
91  owl_fmtext_free(&fm);
92}
93
94char *owl_function_style_describe(void *name) {
95  char *desc, *s;
96  owl_style *style;
97  style = owl_global_get_style_by_name(&g, name);
98  if (style) {
99    desc = owl_style_get_description(style);
100  } else {
101    desc = "???";
102  }
103  s = owl_sprintf("%-20s - %s%s", name, 
104                  0==owl_style_validate(style)?"":"[INVALID] ",
105                  desc);
106  return s;
107}
108
109char *owl_function_cmd_describe(void *name)
110{
111  owl_cmd *cmd = owl_cmddict_find(owl_global_get_cmddict(&g), name);
112  if (cmd) return owl_cmd_describe(cmd);
113  else return(NULL);
114}
115
116void owl_function_show_command(char *name)
117{
118  owl_function_help_for_command(name);
119}
120
121void owl_function_show_license()
122{
123  char *text;
124
125  text=""
126    "Owl version " OWL_VERSION_STRING "\n"
127    "Copyright (c) 2004 James Kretchmar. All rights reserved.\n"
128    "\n"
129    "Redistribution and use in source and binary forms, with or without\n"
130    "modification, are permitted provided that the following conditions are\n"
131    "met:\n"
132    "\n"
133    "   * Redistributions of source code must retain the above copyright\n"
134    "     notice, this list of conditions and the following disclaimer.\n"
135    "\n"
136    "   * Redistributions in binary form must reproduce the above copyright\n"
137    "     notice, this list of conditions and the following disclaimer in\n"
138    "     the documentation and/or other materials provided with the\n"
139    "     distribution.\n"
140    "\n"
141    "   * Redistributions in any form must be accompanied by information on\n"
142    "     how to obtain complete source code for the Owl software and any\n"
143    "     accompanying software that uses the Owl software. The source code\n"
144    "     must either be included in the distribution or be available for no\n"
145    "     more than the cost of distribution plus a nominal fee, and must be\n"
146    "     freely redistributable under reasonable conditions. For an\n"
147    "     executable file, complete source code means the source code for\n"
148    "     all modules it contains. It does not include source code for\n"
149    "     modules or files that typically accompany the major components of\n"
150    "     the operating system on which the executable file runs.\n"
151    "\n"
152    "THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR\n"
153    "IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n"
154    "WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR\n"
155    "NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE\n"
156    "LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n"
157    "CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n"
158    "SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR\n"
159    "BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n"
160    "WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE\n"
161    "OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN\n"
162    "IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n";
163  owl_function_popless_text(text);
164}
165
166
167/* Add the given message to Owl's internal queue.  If displayoutgoing
168 * is disabled, the message is NOT added to any internal queue, -1 is
169 * returned and THE CALLER IS EXPECTED TO FREE THE GIVEN MESSAGE.
170 * Otherwise 0 is returned and the caller need do nothing more
171 */
172int owl_function_add_message(owl_message *m)
173{
174  /* if displayoutgoing is disabled, nuke the message and move on */
175  if (! owl_global_is_displayoutgoing(&g)) {
176    return(-1);
177  }
178
179  /* add it to the global list and current view */
180  owl_messagelist_append_element(owl_global_get_msglist(&g), m);
181  owl_view_consider_message(owl_global_get_current_view(&g), m);
182
183  /* do followlast if necessary */
184  if (owl_global_should_followlast(&g)) owl_function_lastmsg_noredisplay();
185
186  /* redisplay etc. */
187  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
188  if (owl_popwin_is_active(owl_global_get_popwin(&g))) {
189    owl_popwin_refresh(owl_global_get_popwin(&g));
190  }
191  wnoutrefresh(owl_global_get_curs_recwin(&g));
192  owl_global_set_needrefresh(&g);
193  return(0);
194}
195
196/* Create an admin message, append it to the global list of messages
197 * and redisplay if necessary.
198 */
199void owl_function_adminmsg(char *header, char *body)
200{
201  owl_message *m;
202
203  m=owl_malloc(sizeof(owl_message));
204  owl_message_create_admin(m, header, body);
205 
206  /* add it to the global list and current view */
207  owl_messagelist_append_element(owl_global_get_msglist(&g), m);
208  owl_view_consider_message(owl_global_get_current_view(&g), m);
209
210  /* do followlast if necessary */
211  if (owl_global_should_followlast(&g)) owl_function_lastmsg_noredisplay();
212
213  /* redisplay etc. */
214  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
215  if (owl_popwin_is_active(owl_global_get_popwin(&g))) {
216    owl_popwin_refresh(owl_global_get_popwin(&g));
217  }
218  wnoutrefresh(owl_global_get_curs_recwin(&g));
219  owl_global_set_needrefresh(&g);
220}
221
222/* Create an outgoing zephyr message and return a pointer to it.  Does
223 * not put it on the global queue, use owl_function_add_message() for
224 * that.
225 */
226owl_message *owl_function_make_outgoing_zephyr(char *body, char *zwriteline, char *zsig)
227{
228  owl_message *m;
229  owl_zwrite z;
230 
231  /* create a zwrite for the purpose of filling in other message fields */
232  owl_zwrite_create_from_line(&z, zwriteline);
233
234  /* create the message */
235  m=owl_malloc(sizeof(owl_message));
236  owl_message_create_from_zwriteline(m, zwriteline, body, zsig);
237  owl_zwrite_free(&z);
238
239  return(m);
240}
241
242/* Create an outgoing AIM message, returns a pointer to the created
243 * message or NULL if we're not logged into AIM (and thus unable to
244 * create the message).  Does not put it on the global queue.  Use
245 * owl_function_add_message() for that .
246 */
247owl_message *owl_function_make_outgoing_aim(char *body, char *to)
248{
249  owl_message *m;
250
251  /* error if we're not logged into aim */
252  if (!owl_global_is_aimloggedin(&g)) return(NULL);
253 
254  m=owl_malloc(sizeof(owl_message));
255  owl_message_create_aim(m,
256                         owl_global_get_aim_screenname(&g),
257                         to,
258                         body,
259                         OWL_MESSAGE_DIRECTION_OUT,
260                         0);
261  return(m);
262}
263
264/* Create an outgoing loopback message and return a pointer to it.
265 * Does not append it to the global queue, use
266 * owl_function_add_message() for that.
267 */
268owl_message *owl_function_make_outgoing_loopback(char *body)
269{
270  owl_message *m;
271
272  /* create the message */
273  m=owl_malloc(sizeof(owl_message));
274  owl_message_create_loopback(m, body);
275  owl_message_set_direction_out(m);
276
277  return(m);
278}
279
280void owl_function_zwrite_setup(char *line)
281{
282  owl_editwin *e;
283  char buff[1024];
284  owl_zwrite z;
285  int ret;
286
287  /* check the arguments */
288  ret=owl_zwrite_create_from_line(&z, line);
289  if (ret) {
290    owl_function_error("Error in zwrite arugments");
291    owl_zwrite_free(&z);
292    return;
293  }
294
295  /* send a ping if necessary */
296  if (owl_global_is_txping(&g)) {
297    owl_zwrite_send_ping(&z);
298  }
299  owl_zwrite_free(&z);
300
301  /* create and setup the editwin */
302  e=owl_global_get_typwin(&g);
303  owl_editwin_new_style(e, OWL_EDITWIN_STYLE_MULTILINE, owl_global_get_msg_history(&g));
304
305  if (!owl_global_get_lockout_ctrld(&g)) {
306    owl_function_makemsg("Type your zephyr below.  End with ^D or a dot on a line by itself.  ^C will quit.");
307  } else {
308    owl_function_makemsg("Type your zephyr below.  End with a dot on a line by itself.  ^C will quit.");
309  }
310
311  owl_editwin_clear(e);
312  owl_editwin_set_dotsend(e);
313  strcpy(buff, "----> ");
314  strcat(buff, line);
315  strcat(buff, "\n");
316  owl_editwin_set_locktext(e, buff);
317
318  /* make it active */
319  owl_global_set_typwin_active(&g);
320
321  owl_global_set_buffercommand(&g, line);
322  owl_global_set_buffercallback(&g, &owl_callback_zwrite);
323}
324
325void owl_function_aimwrite_setup(char *line)
326{
327  owl_editwin *e;
328  char buff[1024];
329
330  /* check the arguments */
331
332  /* create and setup the editwin */
333  e=owl_global_get_typwin(&g);
334  owl_editwin_new_style(e, OWL_EDITWIN_STYLE_MULTILINE, owl_global_get_msg_history(&g));
335
336  if (!owl_global_get_lockout_ctrld(&g)) {
337    owl_function_makemsg("Type your message below.  End with ^D or a dot on a line by itself.  ^C will quit.");
338  } else {
339    owl_function_makemsg("Type your message below.  End with a dot on a line by itself.  ^C will quit.");
340  }
341
342  owl_editwin_clear(e);
343  owl_editwin_set_dotsend(e);
344  strcpy(buff, "----> ");
345  strcat(buff, line);
346  strcat(buff, "\n");
347  owl_editwin_set_locktext(e, buff);
348
349  /* make it active */
350  owl_global_set_typwin_active(&g);
351
352  owl_global_set_buffercommand(&g, line);
353  owl_global_set_buffercallback(&g, &owl_callback_aimwrite);
354}
355
356void owl_function_loopwrite_setup()
357{
358  owl_editwin *e;
359
360  /* create and setup the editwin */
361  e=owl_global_get_typwin(&g);
362  owl_editwin_new_style(e, OWL_EDITWIN_STYLE_MULTILINE, owl_global_get_msg_history(&g));
363
364  if (!owl_global_get_lockout_ctrld(&g)) {
365    owl_function_makemsg("Type your message below.  End with ^D or a dot on a line by itself.  ^C will quit.");
366  } else {
367    owl_function_makemsg("Type your message below.  End with a dot on a line by itself.  ^C will quit.");
368  }
369
370  owl_editwin_clear(e);
371  owl_editwin_set_dotsend(e);
372  owl_editwin_set_locktext(e, "----> loopwrite\n");
373
374  /* make it active */
375  owl_global_set_typwin_active(&g);
376
377  owl_global_set_buffercommand(&g, "loopwrite");
378  owl_global_set_buffercallback(&g, &owl_callback_loopwrite);
379}
380
381void owl_callback_zwrite(owl_editwin *e) {
382  owl_function_zwrite(owl_editwin_get_command(e),
383                      owl_editwin_get_text(e));
384}
385
386/* send, log and display an outgoing zephyr.  If 'msg' is NULL
387 * the message is expected to be set from the zwrite line itself
388 */
389void owl_function_zwrite(char *line, char *msg)
390{
391  owl_zwrite z;
392  char *mymsg;
393  owl_message *m;
394
395  /* create the zwrite and send the message */
396  owl_zwrite_create_from_line(&z, line);
397  if (msg) {
398    owl_zwrite_set_message(&z, msg);
399  }
400  owl_zwrite_send_message(&z);
401  owl_function_makemsg("Waiting for ack...");
402
403  /* If it's personal */
404  if (owl_zwrite_is_personal(&z)) {
405    /* create the outgoing message */
406    mymsg=owl_zwrite_get_message(&z);
407    m=owl_function_make_outgoing_zephyr(mymsg, line, owl_zwrite_get_zsig(&z));
408
409    if (m) {
410      /* log it */
411      owl_log_message(m);
412     
413      /* add it or nuke it */
414      if (owl_global_is_displayoutgoing(&g)) {
415        owl_function_add_message(m);
416      } else {
417        owl_message_free(m);
418      }
419    } else {
420      owl_function_error("Could not create outgoing zephyr message");
421    }
422  }
423
424  /* free the zwrite */
425  owl_zwrite_free(&z);
426}
427
428/* send, log and display an outgoing zcrypt zephyr.  If 'msg' is NULL
429 * the message is expected to be set from the zwrite line itself
430 */
431void owl_function_zcrypt(char *line, char *msg)
432{
433  owl_zwrite z;
434  char *mymsg;
435  char *cryptmsg;
436  owl_message *m;
437#ifdef OWL_ENABLE_ZCRYPT
438  int ret;
439#endif
440
441  /* create the zwrite and send the message */
442  owl_zwrite_create_from_line(&z, line);
443  if (msg) {
444    owl_zwrite_set_message(&z, msg);
445  }
446
447  mymsg=owl_zwrite_get_message(&z);
448#ifdef OWL_ENABLE_ZCRYPT
449  cryptmsg=owl_malloc(strlen(mymsg)*4);
450  ret=owl_zcrypt_encrypt(cryptmsg, mymsg, owl_zwrite_get_class(&z), owl_zwrite_get_instance(&z));
451  if (ret) {
452    owl_function_error("Error in zcrypt, possibly no key found.  Message not sent.");
453    owl_function_beep();
454    owl_free(cryptmsg);
455    return;
456  }
457#else
458  cryptmsg=owl_strdup(mymsg);
459#endif
460
461  owl_zwrite_set_message(&z, cryptmsg);
462  owl_zwrite_set_opcode(&z, "crypt");
463  mymsg=cryptmsg;
464   
465  owl_zwrite_send_message(&z);
466  owl_function_makemsg("Waiting for ack...");
467
468  /* If it's personal */
469  if (owl_zwrite_is_personal(&z)) {
470    /* create the outgoing message */
471    mymsg=owl_zwrite_get_message(&z);
472    m=owl_function_make_outgoing_zephyr(mymsg, line, owl_zwrite_get_zsig(&z));
473    if (m) {
474      /* log it */
475      owl_log_message(m);
476     
477      /* add it or nuke it */
478      if (owl_global_is_displayoutgoing(&g)) {
479        owl_function_add_message(m);
480      } else {
481        owl_message_free(m);
482      }
483    } else {
484      owl_function_error("Could not create outgoing zephyr message");
485    }
486  }
487
488  /* free the zwrite */
489  owl_free(cryptmsg);
490  owl_zwrite_free(&z);
491}
492
493void owl_callback_aimwrite(owl_editwin *e) {
494  owl_function_aimwrite(owl_editwin_get_command(e),
495                        owl_editwin_get_text(e));
496}
497
498void owl_function_aimwrite(char *line, char *msg)
499{
500  int ret;
501  char *to, *format_msg;
502  owl_message *m;
503
504  to = line + 9;
505
506  /* make a formatted copy of the message */
507  format_msg=owl_strdup(msg);
508  owl_text_wordunwrap(format_msg);
509 
510  /* send the message */
511  ret=owl_aim_send_im(to, format_msg);
512  if (!ret) {
513    owl_function_makemsg("AIM message sent.");
514  } else {
515    owl_function_error("Could not send AIM message.");
516  }
517
518  /* create the outgoing message */
519  m=owl_function_make_outgoing_aim(msg, to);
520
521  if (m) {
522    /* log it */
523    owl_log_message(m);
524   
525    /* display it or nuke it */
526    if (owl_global_is_displayoutgoing(&g)) {
527      owl_function_add_message(m);
528    } else {
529      owl_message_free(m);
530    }
531  } else {
532    owl_function_error("Could not create outgoing AIM message");
533  }
534
535  owl_free(format_msg);
536}
537
538void owl_function_send_aimawymsg(char *to, char *msg)
539{
540  int ret;
541  char *format_msg;
542  owl_message *m;
543
544  /* make a formatted copy of the message */
545  format_msg=owl_strdup(msg);
546  owl_text_wordunwrap(format_msg);
547 
548  /* send the message */
549  ret=owl_aim_send_awaymsg(to, format_msg);
550  if (!ret) {
551    /* owl_function_makemsg("AIM message sent."); */
552  } else {
553    owl_function_error("Could not send AIM message.");
554  }
555
556  /* create the message */
557  m=owl_function_make_outgoing_aim(msg, to);
558  if (m) {
559    /* log it */
560    owl_log_message(m);
561
562    /* display it or nuke it */
563    if (owl_global_is_displayoutgoing(&g)) {
564      owl_function_add_message(m);
565    } else {
566      owl_message_free(m);
567    }
568  } else {
569    owl_function_error("Could not create AIM message");
570  }
571  owl_free(format_msg);
572}
573
574void owl_callback_loopwrite(owl_editwin *e) {
575  owl_function_loopwrite(owl_editwin_get_text(e));
576}
577
578void owl_function_loopwrite(char *msg)
579{
580  owl_message *min, *mout;
581
582  /* create a message and put it on the message queue.  This simulates
583   * an incoming message */
584  min=owl_malloc(sizeof(owl_message));
585  owl_message_create_loopback(min, msg);
586  owl_message_set_direction_in(min);
587  owl_global_messagequeue_addmsg(&g, min);
588
589  mout=owl_function_make_outgoing_loopback(msg);
590  owl_log_message(mout);
591  if (owl_global_is_displayoutgoing(&g)) {
592    owl_function_add_message(mout);
593  } else {
594    owl_message_free(mout);
595  }
596
597  /* fake a makemsg */
598  owl_function_makemsg("loopback message sent");
599}
600
601/* If filter is non-null, looks for the next message matching
602 * that filter.  If skip_deleted, skips any deleted messages.
603 * If last_if_none, will stop at the last message in the view
604 * if no matching messages are found.  */
605void owl_function_nextmsg_full(char *filter, int skip_deleted, int last_if_none)
606{
607  int curmsg, i, viewsize, found;
608  owl_view *v;
609  owl_filter *f = NULL;
610  owl_message *m;
611
612  v=owl_global_get_current_view(&g);
613
614  if (filter) {
615    f=owl_global_get_filter(&g, filter);
616    if (!f) {
617      owl_function_error("No %s filter defined", filter);
618      return;
619    }
620  }
621
622  curmsg=owl_global_get_curmsg(&g);
623  viewsize=owl_view_get_size(v);
624  found=0;
625
626  /* just check to make sure we're in bounds... */
627  if (curmsg>viewsize-1) curmsg=viewsize-1;
628  if (curmsg<0) curmsg=0;
629
630  for (i=curmsg+1; i<viewsize; i++) {
631    m=owl_view_get_element(v, i);
632    if (skip_deleted && owl_message_is_delete(m)) continue;
633    if (f && !owl_filter_message_match(f, m)) continue;
634    found = 1;
635    break;
636  }
637
638  if (i>owl_view_get_size(v)-1) i=owl_view_get_size(v)-1;
639
640  if (!found) {
641    owl_function_makemsg("already at last%s message%s%s",
642                         skip_deleted?" non-deleted":"",
643                         filter?" in ":"", filter?filter:"");
644    /* if (!skip_deleted) owl_function_beep(); */
645  }
646
647  if (last_if_none || found) {
648    owl_global_set_curmsg(&g, i);
649    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
650    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
651    owl_global_set_direction_downwards(&g);
652  }
653}
654
655void owl_function_prevmsg_full(char *filter, int skip_deleted, int first_if_none)
656{
657  int curmsg, i, viewsize, found;
658  owl_view *v;
659  owl_filter *f = NULL;
660  owl_message *m;
661
662  v=owl_global_get_current_view(&g);
663
664  if (filter) {
665    f=owl_global_get_filter(&g, filter);
666    if (!f) {
667      owl_function_error("No %s filter defined", filter);
668      return;
669    }
670  }
671
672  curmsg=owl_global_get_curmsg(&g);
673  viewsize=owl_view_get_size(v);
674  found=0;
675
676  /* just check to make sure we're in bounds... */
677  if (curmsg<0) curmsg=0;
678
679  for (i=curmsg-1; i>=0; i--) {
680    m=owl_view_get_element(v, i);
681    if (skip_deleted && owl_message_is_delete(m)) continue;
682    if (f && !owl_filter_message_match(f, m)) continue;
683    found = 1;
684    break;
685  }
686
687  if (i<0) i=0;
688
689  if (!found) {
690    owl_function_makemsg("already at first%s message%s%s",
691                         skip_deleted?" non-deleted":"",
692                         filter?" in ":"", filter?filter:"");
693    /* if (!skip_deleted) owl_function_beep(); */
694  }
695
696  if (first_if_none || found) {
697    owl_global_set_curmsg(&g, i);
698    owl_function_calculate_topmsg(OWL_DIRECTION_UPWARDS);
699    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
700    owl_global_set_direction_upwards(&g);
701  }
702}
703
704void owl_function_nextmsg()
705{
706  owl_function_nextmsg_full(NULL, 0, 1);
707}
708
709void owl_function_prevmsg()
710{
711  owl_function_prevmsg_full(NULL, 0, 1);
712}
713
714void owl_function_nextmsg_notdeleted()
715{
716  owl_function_nextmsg_full(NULL, 1, 1);
717}
718
719void owl_function_prevmsg_notdeleted()
720{
721  owl_function_prevmsg_full(NULL, 1, 1);
722}
723
724void owl_function_nextmsg_personal()
725{
726  owl_function_nextmsg_full("personal", 0, 0);
727}
728
729void owl_function_prevmsg_personal()
730{
731  owl_function_prevmsg_full("personal", 0, 0);
732}
733
734
735/* if move_after is 1, moves after the delete */
736void owl_function_deletecur(int move_after)
737{
738  int curmsg;
739  owl_view *v;
740
741  v=owl_global_get_current_view(&g);
742
743  /* bail if there's no current message */
744  if (owl_view_get_size(v) < 1) {
745    owl_function_error("No current message to delete");
746    return;
747  }
748
749  /* mark the message for deletion */
750  curmsg=owl_global_get_curmsg(&g);
751  owl_view_delete_element(v, curmsg);
752
753  if (move_after) {
754    /* move the poiner in the appropriate direction
755     * to the next undeleted msg */
756    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
757      owl_function_prevmsg_notdeleted();
758    } else {
759      owl_function_nextmsg_notdeleted();
760    }
761  }
762}
763
764void owl_function_undeletecur(int move_after)
765{
766  int curmsg;
767  owl_view *v;
768
769  v=owl_global_get_current_view(&g);
770 
771  if (owl_view_get_size(v) < 1) {
772    owl_function_error("No current message to undelete");
773    return;
774  }
775  curmsg=owl_global_get_curmsg(&g);
776
777  owl_view_undelete_element(v, curmsg);
778
779  if (move_after) {
780    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
781      if (curmsg>0) {
782        owl_function_prevmsg();
783      } else {
784        owl_function_nextmsg();
785      }
786    } else {
787      owl_function_nextmsg();
788    }
789  }
790
791  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
792}
793
794void owl_function_expunge()
795{
796  int curmsg;
797  owl_message *m;
798  owl_messagelist *ml;
799  owl_view *v;
800  int lastmsgid=0;
801
802  curmsg=owl_global_get_curmsg(&g);
803  v=owl_global_get_current_view(&g);
804  ml=owl_global_get_msglist(&g);
805
806  m=owl_view_get_element(v, curmsg);
807  if (m) lastmsgid = owl_message_get_id(m);
808
809  /* expunge the message list */
810  owl_messagelist_expunge(ml);
811
812  /* update all views (we only have one right now) */
813  owl_view_recalculate(v);
814
815  /* find where the new position should be
816     (as close as possible to where we last where) */
817  curmsg = owl_view_get_nearest_to_msgid(v, lastmsgid);
818  if (curmsg>owl_view_get_size(v)-1) curmsg = owl_view_get_size(v)-1;
819  if (curmsg<0) curmsg = 0;
820  owl_global_set_curmsg(&g, curmsg);
821  owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
822  /* if there are no messages set the direction to down in case we
823     delete everything upwards */
824  owl_global_set_direction_downwards(&g);
825 
826  owl_function_makemsg("Messages expunged");
827  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
828}
829
830void owl_function_firstmsg()
831{
832  owl_global_set_curmsg(&g, 0);
833  owl_global_set_topmsg(&g, 0);
834  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
835  owl_global_set_direction_downwards(&g);
836}
837
838void owl_function_lastmsg_noredisplay()
839{
840  int oldcurmsg, curmsg;
841  owl_view *v;
842
843  v=owl_global_get_current_view(&g);
844  oldcurmsg=owl_global_get_curmsg(&g);
845  curmsg=owl_view_get_size(v)-1; 
846  if (curmsg<0) curmsg=0;
847  owl_global_set_curmsg(&g, curmsg);
848  if (oldcurmsg < curmsg) {
849    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
850  } else if (curmsg<owl_view_get_size(v)) {
851    /* If already at the end, blank the screen and move curmsg
852     * past the end of the messages. */
853    owl_global_set_topmsg(&g, curmsg+1);
854    owl_global_set_curmsg(&g, curmsg+1);
855  } 
856  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
857  owl_global_set_direction_downwards(&g);
858}
859
860void owl_function_lastmsg()
861{
862  owl_function_lastmsg_noredisplay();
863  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
864}
865
866void owl_function_shift_right()
867{
868  owl_global_set_rightshift(&g, owl_global_get_rightshift(&g)+10);
869  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
870  owl_global_set_needrefresh(&g);
871}
872
873void owl_function_shift_left()
874{
875  int shift;
876
877  shift=owl_global_get_rightshift(&g);
878  if (shift>=10) {
879    owl_global_set_rightshift(&g, shift-10);
880    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
881    owl_global_set_needrefresh(&g);
882  } else {
883    owl_function_beep();
884    owl_function_makemsg("Already full left");
885  }
886}
887
888void owl_function_unsuball()
889{
890  unsuball();
891  owl_function_makemsg("Unsubscribed from all messages.");
892}
893
894
895/* Load zephyr subscriptions from the named 'file' and load zephyr's
896 * default subscriptions as well.  An error message is printed if
897 * 'file' can't be opened or if zephyr reports an error in
898 * subscribing.
899 *
900 * If 'file' is NULL, this look for the default filename
901 * $HOME/.zephyr.subs.  If the file can not be opened in this case
902 * only, no error message is printed.
903 */
904void owl_function_loadsubs(char *file)
905{
906  int ret, ret2;
907  char *foo;
908
909  if (file==NULL) {
910    ret=owl_zephyr_loadsubs(NULL, 0);
911  } else {
912    ret=owl_zephyr_loadsubs(file, 1);
913  }
914
915  /* for backwards compatibility for now */
916  ret2=owl_zephyr_loaddefaultsubs();
917
918  if (!owl_context_is_interactive(owl_global_get_context(&g))) return;
919
920  foo=file?file:"file";
921  if (ret==0 && ret2==0) {
922    if (!file) {
923      owl_function_makemsg("Subscribed to messages.");
924    } else {
925      owl_function_makemsg("Subscribed to messages from %s", file);
926    }
927  } else if (ret==-1) {
928    owl_function_error("Could not read %s", foo);
929  } else {
930    owl_function_error("Error subscribing to messages");
931  }
932}
933
934void owl_function_loadloginsubs(char *file)
935{
936  int ret;
937
938  ret=owl_zephyr_loadloginsubs(file);
939
940  if (!owl_context_is_interactive(owl_global_get_context(&g))) return;
941  if (ret==0) {
942    owl_function_makemsg("Subscribed to login messages from file.");
943  } else if (ret==-1) {
944    owl_function_error("Could not open file for login subscriptions.");
945  } else {
946    owl_function_error("Error subscribing to login messages from file.");
947  }
948}
949
950void owl_callback_aimlogin(owl_editwin *e) {
951  owl_function_aimlogin(owl_editwin_get_command(e),
952                        owl_editwin_get_text(e));
953}
954
955void owl_function_aimlogin(char *user, char *passwd) {
956  int ret;
957
958  /* clear the buddylist */
959  owl_buddylist_clear(owl_global_get_buddylist(&g));
960
961  /* try to login */
962  ret=owl_aim_login(user, passwd);
963  if (ret) owl_function_makemsg("Warning: login for %s failed.\n", user);
964}
965
966void owl_function_suspend()
967{
968  endwin();
969  printf("\n");
970  kill(getpid(), SIGSTOP);
971
972  /* resize to reinitialize all the windows when we come back */
973  owl_command_resize();
974}
975
976void owl_function_zaway_toggle()
977{
978  if (!owl_global_is_zaway(&g)) {
979    owl_global_set_zaway_msg(&g, owl_global_get_zaway_msg_default(&g));
980    owl_function_zaway_on();
981  } else {
982    owl_function_zaway_off();
983  }
984}
985
986void owl_function_zaway_on()
987{
988  owl_global_set_zaway_on(&g);
989  owl_function_makemsg("zaway set (%s)", owl_global_get_zaway_msg(&g));
990}
991
992void owl_function_zaway_off()
993{
994  owl_global_set_zaway_off(&g);
995  owl_function_makemsg("zaway off");
996}
997
998void owl_function_aaway_toggle()
999{
1000  if (!owl_global_is_aaway(&g)) {
1001    owl_global_set_aaway_msg(&g, owl_global_get_aaway_msg_default(&g));
1002    owl_function_aaway_on();
1003  } else {
1004    owl_function_aaway_off();
1005  }
1006}
1007
1008void owl_function_aaway_on()
1009{
1010  owl_global_set_aaway_on(&g);
1011  /* owl_aim_set_awaymsg(owl_global_get_zaway_msg(&g)); */
1012  owl_function_makemsg("AIM away set (%s)", owl_global_get_aaway_msg(&g));
1013}
1014
1015void owl_function_aaway_off()
1016{
1017  owl_global_set_aaway_off(&g);
1018  /* owl_aim_set_awaymsg(""); */
1019  owl_function_makemsg("AIM away off");
1020}
1021
1022void owl_function_quit()
1023{
1024  char *ret;
1025 
1026  /* zlog out if we need to */
1027  if (owl_global_is_shutdownlogout(&g)) {
1028    owl_zephyr_zlog_out();
1029  }
1030
1031  /* execute the commands in shutdown */
1032  ret = owl_perlconfig_execute("owl::shutdown();");
1033  if (ret) owl_free(ret);
1034
1035  /* signal our child process, if any */
1036  if (owl_global_get_newmsgproc_pid(&g)) {
1037    kill(owl_global_get_newmsgproc_pid(&g), SIGHUP);
1038  }
1039
1040  /* Quit zephyr */
1041  owl_zephyr_shutdown();
1042 
1043  /* Quit AIM */
1044  if (owl_global_is_aimloggedin(&g)) {
1045    owl_aim_logout();
1046  }
1047
1048  /* done with curses */
1049  endwin();
1050
1051  /* restore terminal settings */
1052  tcsetattr(0, TCSAFLUSH, owl_global_get_startup_tio(&g));
1053
1054  owl_function_debugmsg("Quitting Owl");
1055  exit(0);
1056}
1057
1058void owl_function_openurl()
1059{
1060  /* visit the first url in the current message */
1061  owl_message *m;
1062  owl_view *v;
1063  char *ptr1, *ptr2, *text, url[LINE], tmpbuff[LINE];
1064  int webbrowser;
1065
1066  webbrowser = owl_global_get_webbrowser(&g);
1067
1068  if (webbrowser < 0 || webbrowser == OWL_WEBBROWSER_NONE) {
1069    owl_function_error("No browser selected");
1070    return;
1071  }
1072
1073  v=owl_global_get_current_view(&g);
1074 
1075  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1076
1077  if (!m || owl_view_get_size(v)==0) {
1078    owl_function_error("No current message selected");
1079    return;
1080  }
1081
1082  text=owl_message_get_text(m);
1083
1084  /* First look for a good URL */ 
1085  if ((ptr1=strstr(text, "http://"))!=NULL) {
1086    ptr2=strpbrk(ptr1, " \n\t");
1087    if (ptr2) {
1088      strncpy(url, ptr1, ptr2-ptr1+1);
1089      url[ptr2-ptr1+1]='\0';
1090    } else {
1091      strcpy(url, ptr1);
1092    }
1093
1094    /* if we had <http strip a trailing > */
1095    if (ptr1>text && ptr1[-1]=='<') {
1096      if (url[strlen(url)-1]=='>') {
1097        url[strlen(url)-1]='\0';
1098      }
1099    }
1100  } else if ((ptr1=strstr(text, "https://"))!=NULL) {
1101    /* Look for an https URL */ 
1102    ptr2=strpbrk(ptr1, " \n\t");
1103    if (ptr2) {
1104      strncpy(url, ptr1, ptr2-ptr1+1);
1105      url[ptr2-ptr1+1]='\0';
1106    } else {
1107      strcpy(url, ptr1);
1108    }
1109   
1110    /* if we had <http strip a trailing > */
1111    if (ptr1>text && ptr1[-1]=='<') {
1112      if (url[strlen(url)-1]=='>') {
1113        url[strlen(url)-1]='\0';
1114      }
1115    }
1116  } else if ((ptr1=strstr(text, "www."))!=NULL) {
1117    /* if we can't find a real url look for www.something */
1118    ptr2=strpbrk(ptr1, " \n\t");
1119    if (ptr2) {
1120      strncpy(url, ptr1, ptr2-ptr1+1);
1121      url[ptr2-ptr1+1]='\0';
1122    } else {
1123      strcpy(url, ptr1);
1124    }
1125  } else {
1126    owl_function_beep();
1127    owl_function_error("Could not find URL to open.");
1128    return;
1129  }
1130
1131  /* Make sure there aren't any quotes or \'s in the url */
1132  for (ptr1 = url; *ptr1; ptr1++) {
1133    if (*ptr1 == '"' || *ptr1 == '\\') {
1134      owl_function_beep();
1135      owl_function_error("URL contains invalid characters.");
1136      return;
1137    }
1138  }
1139 
1140  /* NOTE: There are potentially serious security issues here... */
1141
1142  /* open the page */
1143  owl_function_makemsg("Opening %s", url);
1144  if (webbrowser == OWL_WEBBROWSER_NETSCAPE) {
1145    snprintf(tmpbuff, LINE, "netscape -remote \"openURL(%s)\" > /dev/null 2> /dev/null", url);
1146    system(tmpbuff); 
1147  } else if (webbrowser == OWL_WEBBROWSER_GALEON) {
1148    snprintf(tmpbuff, LINE, "galeon \"%s\" > /dev/null 2> /dev/null &", url);
1149    system(tmpbuff); 
1150  } else if (webbrowser == OWL_WEBBROWSER_OPERA) {
1151    snprintf(tmpbuff, LINE, "opera \"%s\" > /dev/null 2> /dev/null &", url);
1152    system(tmpbuff); 
1153  }
1154}
1155
1156void owl_function_calculate_topmsg(int direction)
1157{
1158  int recwinlines, topmsg, curmsg;
1159  owl_view *v;
1160
1161  v=owl_global_get_current_view(&g);
1162  curmsg=owl_global_get_curmsg(&g);
1163  topmsg=owl_global_get_topmsg(&g);
1164  recwinlines=owl_global_get_recwin_lines(&g);
1165
1166  /*
1167  if (owl_view_get_size(v) < 1) {
1168    return;
1169  }
1170  */
1171
1172  switch (owl_global_get_scrollmode(&g)) {
1173  case OWL_SCROLLMODE_TOP:
1174    topmsg = owl_function_calculate_topmsg_top(direction, v, curmsg, topmsg, recwinlines);
1175    break;
1176  case OWL_SCROLLMODE_NEARTOP:
1177    topmsg = owl_function_calculate_topmsg_neartop(direction, v, curmsg, topmsg, recwinlines);
1178    break;
1179  case OWL_SCROLLMODE_CENTER:
1180    topmsg = owl_function_calculate_topmsg_center(direction, v, curmsg, topmsg, recwinlines);
1181    break;
1182  case OWL_SCROLLMODE_PAGED:
1183    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 0);
1184    break;
1185  case OWL_SCROLLMODE_PAGEDCENTER:
1186    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 1);
1187    break;
1188  case OWL_SCROLLMODE_NORMAL:
1189  default:
1190    topmsg = owl_function_calculate_topmsg_normal(direction, v, curmsg, topmsg, recwinlines);
1191  }
1192  owl_function_debugmsg("Calculated a topmsg of %i", topmsg);
1193  owl_global_set_topmsg(&g, topmsg);
1194}
1195
1196/* Returns what the new topmsg should be. 
1197 * Passed the last direction of movement,
1198 * the current view,
1199 * the current message number in the view,
1200 * the top message currently being displayed,
1201 * and the number of lines in the recwin.
1202 */
1203int owl_function_calculate_topmsg_top(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines)
1204{
1205  return(curmsg);
1206}
1207
1208int owl_function_calculate_topmsg_neartop(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines)
1209{
1210  if (curmsg>0 
1211      && (owl_message_get_numlines(owl_view_get_element(v, curmsg-1))
1212          <  recwinlines/2)) {
1213    return(curmsg-1);
1214  } else {
1215    return(curmsg);
1216  }
1217}
1218 
1219int owl_function_calculate_topmsg_center(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines)
1220{
1221  int i, last, lines;
1222
1223  last = curmsg;
1224  lines = 0;
1225  for (i=curmsg-1; i>=0; i--) {
1226    lines += owl_message_get_numlines(owl_view_get_element(v, i));
1227    if (lines > recwinlines/2) break;
1228    last = i;
1229  }
1230  return(last);
1231}
1232 
1233int owl_function_calculate_topmsg_paged(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines, int center_on_page)
1234{
1235  int i, last, lines, savey;
1236 
1237  /* If we're off the top of the screen, scroll up such that the
1238   * curmsg is near the botton of the screen. */
1239  if (curmsg < topmsg) {
1240    last = curmsg;
1241    lines = 0;
1242    for (i=curmsg; i>=0; i--) {
1243      lines += owl_message_get_numlines(owl_view_get_element(v, i));
1244      if (lines > recwinlines) break;
1245    last = i;
1246    }
1247    if (center_on_page) {
1248      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
1249    } else {
1250      return(last);
1251    }
1252  }
1253
1254  /* Find number of lines from top to bottom of curmsg (store in savey) */
1255  savey=0;
1256  for (i=topmsg; i<=curmsg; i++) {
1257    savey+=owl_message_get_numlines(owl_view_get_element(v, i));
1258  }
1259
1260  /* if we're off the bottom of the screen, scroll down */
1261  if (savey > recwinlines) {
1262    if (center_on_page) {
1263      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
1264    } else {
1265      return(curmsg);
1266    }
1267  }
1268
1269  /* else just stay as we are... */
1270  return(topmsg);
1271}
1272
1273int owl_function_calculate_topmsg_normal(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines)
1274{
1275  int savey, j, i, foo, y;
1276
1277  if (curmsg<0) return(topmsg);
1278   
1279  /* If we're off the top of the screen then center */
1280  if (curmsg<topmsg) {
1281    topmsg=owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines);
1282  }
1283
1284  /* Find number of lines from top to bottom of curmsg (store in savey) */
1285  savey=0;
1286  for (i=topmsg; i<=curmsg; i++) {
1287    savey+=owl_message_get_numlines(owl_view_get_element(v, i));
1288  }
1289
1290  /* If we're off the bottom of the screen, set the topmsg to curmsg
1291   * and scroll upwards */
1292  if (savey > recwinlines) {
1293    topmsg=curmsg;
1294    savey=owl_message_get_numlines(owl_view_get_element(v, i));
1295    direction=OWL_DIRECTION_UPWARDS;
1296  }
1297 
1298  /* If our bottom line is less than 1/4 down the screen then scroll up */
1299  if (direction == OWL_DIRECTION_UPWARDS || direction == OWL_DIRECTION_NONE) {
1300    if (savey < (recwinlines / 4)) {
1301      y=0;
1302      for (j=curmsg; j>=0; j--) {
1303        foo=owl_message_get_numlines(owl_view_get_element(v, j));
1304        /* will we run the curmsg off the screen? */
1305        if ((foo+y) >= recwinlines) {
1306          j++;
1307          if (j>curmsg) j=curmsg;
1308          break;
1309        }
1310        /* have saved 1/2 the screen space? */
1311        y+=foo;
1312        if (y > (recwinlines / 2)) break;
1313      }
1314      if (j<0) j=0;
1315      return(j);
1316    }
1317  }
1318
1319  if (direction == OWL_DIRECTION_DOWNWARDS || direction == OWL_DIRECTION_NONE) {
1320    /* If curmsg bottom line is more than 3/4 down the screen then scroll down */
1321    if (savey > ((recwinlines * 3)/4)) {
1322      y=0;
1323      /* count lines from the top until we can save 1/2 the screen size */
1324      for (j=topmsg; j<curmsg; j++) {
1325        y+=owl_message_get_numlines(owl_view_get_element(v, j));
1326        if (y > (recwinlines / 2)) break;
1327      }
1328      if (j==curmsg) {
1329        j--;
1330      }
1331      return(j+1);
1332    }
1333  }
1334
1335  return(topmsg);
1336}
1337
1338void owl_function_resize()
1339{
1340  owl_global_set_resize_pending(&g);
1341}
1342
1343void owl_function_run_buffercommand()
1344{
1345  owl_editwin_do_callback(owl_global_get_typwin(&g));
1346}
1347
1348void owl_function_debugmsg(char *fmt, ...)
1349{
1350  FILE *file;
1351  time_t now;
1352  char buff1[LINE], buff2[LINE];
1353  va_list ap;
1354  va_start(ap, fmt);
1355
1356  if (!owl_global_is_debug_fast(&g)) return;
1357
1358  file=fopen(owl_global_get_debug_file(&g), "a");
1359  if (!file) return;
1360
1361  now=time(NULL);
1362  strcpy(buff1, ctime(&now));
1363  buff1[strlen(buff1)-1]='\0';
1364
1365  owl_global_get_runtime_string(&g, buff2);
1366 
1367  fprintf(file, "[%i -  %s - %s]: ", (int) getpid(), buff1, buff2);
1368  vfprintf(file, fmt, ap);
1369  fprintf(file, "\n");
1370  fclose(file);
1371
1372  va_end(ap);
1373}
1374
1375void owl_function_refresh()
1376{
1377  owl_function_resize();
1378}
1379
1380void owl_function_beep()
1381{
1382  if (owl_global_is_bell(&g)) {
1383    beep();
1384    owl_global_set_needrefresh(&g); /* do we really need this? */
1385  }
1386}
1387
1388void owl_function_subscribe(char *class, char *inst, char *recip)
1389{
1390  int ret;
1391
1392  ret=owl_zephyr_sub(class, inst, recip);
1393  if (ret) {
1394    owl_function_error("Error subscribing.");
1395  } else {
1396    owl_function_makemsg("Subscribed.");
1397  }
1398}
1399
1400void owl_function_unsubscribe(char *class, char *inst, char *recip)
1401{
1402  int ret;
1403
1404  ret=owl_zephyr_unsub(class, inst, recip);
1405  if (ret) {
1406    owl_function_error("Error subscribing.");
1407  } else {
1408    owl_function_makemsg("Unsubscribed.");
1409  }
1410}
1411
1412void owl_function_set_cursor(WINDOW *win)
1413{
1414  wnoutrefresh(win);
1415}
1416
1417void owl_function_full_redisplay()
1418{
1419  redrawwin(owl_global_get_curs_recwin(&g));
1420  redrawwin(owl_global_get_curs_sepwin(&g));
1421  redrawwin(owl_global_get_curs_typwin(&g));
1422  redrawwin(owl_global_get_curs_msgwin(&g));
1423
1424  wnoutrefresh(owl_global_get_curs_recwin(&g));
1425  wnoutrefresh(owl_global_get_curs_sepwin(&g));
1426  wnoutrefresh(owl_global_get_curs_typwin(&g));
1427  wnoutrefresh(owl_global_get_curs_msgwin(&g));
1428 
1429  sepbar("");
1430  owl_function_makemsg("");
1431
1432  owl_global_set_needrefresh(&g);
1433}
1434
1435void owl_function_popless_text(char *text)
1436{
1437  owl_popwin *pw;
1438  owl_viewwin *v;
1439
1440  pw=owl_global_get_popwin(&g);
1441  v=owl_global_get_viewwin(&g);
1442
1443  owl_popwin_up(pw);
1444  owl_viewwin_init_text(v, owl_popwin_get_curswin(pw),
1445                        owl_popwin_get_lines(pw), owl_popwin_get_cols(pw),
1446                        text);
1447  owl_popwin_refresh(pw);
1448  owl_viewwin_redisplay(v, 0);
1449  owl_global_set_needrefresh(&g);
1450}
1451
1452void owl_function_popless_fmtext(owl_fmtext *fm)
1453{
1454  owl_popwin *pw;
1455  owl_viewwin *v;
1456
1457  pw=owl_global_get_popwin(&g);
1458  v=owl_global_get_viewwin(&g);
1459
1460  owl_popwin_up(pw);
1461  owl_viewwin_init_fmtext(v, owl_popwin_get_curswin(pw),
1462                   owl_popwin_get_lines(pw), owl_popwin_get_cols(pw),
1463                   fm);
1464  owl_popwin_refresh(pw);
1465  owl_viewwin_redisplay(v, 0);
1466  owl_global_set_needrefresh(&g);
1467}
1468
1469void owl_function_popless_file(char *filename)
1470{
1471  owl_fmtext fm;
1472  FILE *file;
1473  char buff[1024];
1474
1475  file=fopen(filename, "r");
1476  if (!file) {
1477    owl_function_error("Could not open file: %s", filename);
1478    return;
1479  }
1480
1481  owl_fmtext_init_null(&fm);
1482  while (fgets(buff, 1024, file)) {
1483    owl_fmtext_append_normal(&fm, buff);
1484    /*    owl_fmtext_append_normal(&fm, "\n"); */
1485  }
1486
1487  owl_function_popless_fmtext(&fm);
1488  owl_fmtext_free(&fm);
1489  fclose(file);
1490}
1491
1492void owl_function_about()
1493{
1494  char buff[5000];
1495
1496  sprintf(buff, "This is owl version %s\n", OWL_VERSION_STRING);
1497  strcat(buff, "\nOwl was written by James Kretchmar at the Massachusetts\n");
1498  strcat(buff, "Institute of Technology.  The first version, 0.5, was\n");
1499  strcat(buff, "released in March 2002.\n");
1500  strcat(buff, "\n");
1501  strcat(buff, "The name 'owl' was chosen in reference to the owls in the\n");
1502  strcat(buff, "Harry Potter novels, who are tasked with carrying messages\n");
1503  strcat(buff, "between Witches and Wizards.\n");
1504  strcat(buff, "\n");
1505  strcat(buff, "Copyright 2002 Massachusetts Institute of Technology\n");
1506  strcat(buff, "\n");
1507  strcat(buff, "Permission to use, copy, modify, and distribute this\n");
1508  strcat(buff, "software and its documentation for any purpose and without\n");
1509  strcat(buff, "fee is hereby granted, provided that the above copyright\n");
1510  strcat(buff, "notice and this permission notice appear in all copies\n");
1511  strcat(buff, "and in supporting documentation.  No representation is\n");
1512  strcat(buff, "made about the suitability of this software for any\n");
1513  strcat(buff, "purpose.  It is provided \"as is\" without express\n");
1514  strcat(buff, "or implied warranty.\n");
1515  owl_function_popless_text(buff);
1516}
1517
1518void owl_function_info()
1519{
1520  owl_message *m;
1521  owl_fmtext fm, attrfm;
1522  char buff[10000];
1523  owl_view *v;
1524#ifdef HAVE_LIBZEPHYR
1525  ZNotice_t *n;
1526#endif
1527
1528  owl_fmtext_init_null(&fm);
1529 
1530  v=owl_global_get_current_view(&g);
1531  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1532  if (!m || owl_view_get_size(v)==0) {
1533    owl_function_error("No message selected\n");
1534    return;
1535  }
1536
1537  owl_fmtext_append_bold(&fm, "General Information:\n");
1538  owl_fmtext_append_normal(&fm, "  Msg Id    : ");
1539  sprintf(buff, "%i", owl_message_get_id(m));
1540  owl_fmtext_append_normal(&fm, buff);
1541  owl_fmtext_append_normal(&fm, "\n");
1542
1543  owl_fmtext_append_normal(&fm, "  Type      : ");
1544  owl_fmtext_append_bold(&fm, owl_message_get_type(m));
1545  owl_fmtext_append_normal(&fm, "\n");
1546
1547  if (owl_message_is_direction_in(m)) {
1548    owl_fmtext_append_normal(&fm, "  Direction : in\n");
1549  } else if (owl_message_is_direction_out(m)) {
1550    owl_fmtext_append_normal(&fm, "  Direction : out\n");
1551  } else if (owl_message_is_direction_none(m)) {
1552    owl_fmtext_append_normal(&fm, "  Direction : none\n");
1553  } else {
1554    owl_fmtext_append_normal(&fm, "  Direction : unknown\n");
1555  }
1556
1557  owl_fmtext_append_normal(&fm, "  Time      : ");
1558  owl_fmtext_append_normal(&fm, owl_message_get_timestr(m));
1559  owl_fmtext_append_normal(&fm, "\n");
1560
1561  if (!owl_message_is_type_admin(m)) {
1562    owl_fmtext_append_normal(&fm, "  Sender    : ");
1563    owl_fmtext_append_normal(&fm, owl_message_get_sender(m));
1564    owl_fmtext_append_normal(&fm, "\n");
1565   
1566    owl_fmtext_append_normal(&fm, "  Recipient : ");
1567    owl_fmtext_append_normal(&fm, owl_message_get_recipient(m));
1568    owl_fmtext_append_normal(&fm, "\n");
1569  }
1570   
1571  if (owl_message_is_type_zephyr(m)) {
1572    owl_fmtext_append_bold(&fm, "\nZephyr Specific Information:\n");
1573   
1574    owl_fmtext_append_normal(&fm, "  Class     : ");
1575    owl_fmtext_append_normal(&fm, owl_message_get_class(m));
1576    owl_fmtext_append_normal(&fm, "\n");
1577    owl_fmtext_append_normal(&fm, "  Instance  : ");
1578    owl_fmtext_append_normal(&fm, owl_message_get_instance(m));
1579    owl_fmtext_append_normal(&fm, "\n");
1580    owl_fmtext_append_normal(&fm, "  Opcode    : ");
1581    owl_fmtext_append_normal(&fm, owl_message_get_opcode(m));
1582    owl_fmtext_append_normal(&fm, "\n");
1583   
1584    owl_fmtext_append_normal(&fm, "  Time      : ");
1585    owl_fmtext_append_normal(&fm, owl_message_get_timestr(m));
1586    owl_fmtext_append_normal(&fm, "\n");
1587#ifdef HAVE_LIBZEPHYR
1588    if (owl_message_is_direction_in(m)) {
1589      char *ptr, tmpbuff[1024];
1590      int i, j, fields, len;
1591
1592      n=owl_message_get_notice(m);
1593
1594      if (!owl_message_is_pseudo(m)) {
1595        owl_fmtext_append_normal(&fm, "  Kind      : ");
1596        if (n->z_kind==UNSAFE) {
1597          owl_fmtext_append_normal(&fm, "UNSAFE\n");
1598        } else if (n->z_kind==UNACKED) {
1599          owl_fmtext_append_normal(&fm, "UNACKED\n");
1600        } else if (n->z_kind==ACKED) {
1601          owl_fmtext_append_normal(&fm, "ACKED\n");
1602        } else if (n->z_kind==HMACK) {
1603          owl_fmtext_append_normal(&fm, "HMACK\n");
1604        } else if (n->z_kind==HMCTL) {
1605          owl_fmtext_append_normal(&fm, "HMCTL\n");
1606        } else if (n->z_kind==SERVACK) {
1607          owl_fmtext_append_normal(&fm, "SERVACK\n");
1608        } else if (n->z_kind==SERVNAK) {
1609          owl_fmtext_append_normal(&fm, "SERVNACK\n");
1610        } else if (n->z_kind==CLIENTACK) {
1611          owl_fmtext_append_normal(&fm, "CLIENTACK\n");
1612        } else if (n->z_kind==STAT) {
1613          owl_fmtext_append_normal(&fm, "STAT\n");
1614        } else {
1615          owl_fmtext_append_normal(&fm, "ILLEGAL VALUE\n");
1616        }
1617      }
1618      owl_fmtext_append_normal(&fm, "  Host      : ");
1619      owl_fmtext_append_normal(&fm, owl_message_get_hostname(m));
1620
1621      if (!owl_message_is_pseudo(m)) {
1622        owl_fmtext_append_normal(&fm, "\n");
1623        sprintf(buff, "  Port      : %i\n", ntohs(n->z_port));
1624        owl_fmtext_append_normal(&fm, buff);
1625
1626        owl_fmtext_append_normal(&fm,    "  Auth      : ");
1627        owl_fmtext_append_normal(&fm, owl_zephyr_get_authstr(n));
1628        owl_fmtext_append_normal(&fm, "\n");
1629       
1630        /* fix this */
1631        sprintf(buff, "  Checkd Ath: %i\n", n->z_checked_auth);
1632        sprintf(buff, "%s  Multi notc: %s\n", buff, n->z_multinotice);
1633        sprintf(buff, "%s  Num other : %i\n", buff, n->z_num_other_fields);
1634        sprintf(buff, "%s  Msg Len   : %i\n", buff, n->z_message_len);
1635        owl_fmtext_append_normal(&fm, buff);
1636       
1637        sprintf(buff, "  Fields    : %i\n", owl_zephyr_get_num_fields(n));
1638        owl_fmtext_append_normal(&fm, buff);
1639       
1640        fields=owl_zephyr_get_num_fields(n);
1641        for (i=0; i<fields; i++) {
1642          sprintf(buff, "  Field %i   : ", i+1);
1643         
1644          ptr=owl_zephyr_get_field(n, i+1);
1645          len=strlen(ptr);
1646          if (len<30) {
1647            strncpy(tmpbuff, ptr, len);
1648            tmpbuff[len]='\0';
1649          } else {
1650            strncpy(tmpbuff, ptr, 30);
1651            tmpbuff[30]='\0';
1652            strcat(tmpbuff, "...");
1653          }
1654          owl_free(ptr);
1655         
1656          for (j=0; j<strlen(tmpbuff); j++) {
1657            if (tmpbuff[j]=='\n') tmpbuff[j]='~';
1658            if (tmpbuff[j]=='\r') tmpbuff[j]='!';
1659          }
1660         
1661          strcat(buff, tmpbuff);
1662          strcat(buff, "\n");
1663          owl_fmtext_append_normal(&fm, buff);
1664        }
1665        owl_fmtext_append_normal(&fm, "  Default Fm:");
1666        owl_fmtext_append_normal(&fm, n->z_default_format);
1667      }
1668     
1669    }
1670#endif   
1671  }
1672
1673  if (owl_message_is_type_aim(m)) {
1674    owl_fmtext_append_bold(&fm, "\nAIM Specific Information:\n");
1675  }
1676
1677  owl_fmtext_append_bold(&fm, "\nOwl Message Attributes:\n");
1678  owl_message_attributes_tofmtext(m, &attrfm);
1679  owl_fmtext_append_fmtext(&fm, &attrfm);
1680 
1681  owl_function_popless_fmtext(&fm);
1682  owl_fmtext_free(&fm);
1683  owl_fmtext_free(&attrfm);
1684}
1685
1686/* print the current message in a popup window.
1687 * Use the 'default' style regardless of whatever
1688 * style the user may be using
1689 */
1690void owl_function_curmsg_to_popwin()
1691{
1692  owl_popwin *pw;
1693  owl_view *v;
1694  owl_message *m;
1695  owl_style *s;
1696  owl_fmtext fm;
1697
1698  v=owl_global_get_current_view(&g);
1699  s=owl_global_get_style_by_name(&g, "default");
1700  pw=owl_global_get_popwin(&g);
1701
1702  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1703
1704  if (!m || owl_view_get_size(v)==0) {
1705    owl_function_error("No current message");
1706    return;
1707  }
1708
1709  owl_fmtext_init_null(&fm);
1710  owl_style_get_formattext(s, &fm, m);
1711
1712  owl_function_popless_fmtext(&fm);
1713  owl_fmtext_free(&fm);
1714}
1715
1716void owl_function_page_curmsg(int step)
1717{
1718  /* scroll down or up within the current message IF the message is truncated */
1719
1720  int offset, curmsg, lines;
1721  owl_view *v;
1722  owl_message *m;
1723
1724  offset=owl_global_get_curmsg_vert_offset(&g);
1725  v=owl_global_get_current_view(&g);
1726  curmsg=owl_global_get_curmsg(&g);
1727  m=owl_view_get_element(v, curmsg);
1728  if (!m || owl_view_get_size(v)==0) return;
1729  lines=owl_message_get_numlines(m);
1730
1731  if (offset==0) {
1732    /* Bail if the curmsg isn't the last one displayed */
1733    if (curmsg != owl_mainwin_get_last_msg(owl_global_get_mainwin(&g))) {
1734      owl_function_makemsg("The entire message is already displayed");
1735      return;
1736    }
1737   
1738    /* Bail if we're not truncated */
1739    if (!owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g))) {
1740      owl_function_makemsg("The entire message is already displayed");
1741      return;
1742    }
1743  }
1744 
1745 
1746  /* don't scroll past the last line */
1747  if (step>0) {
1748    if (offset+step > lines-1) {
1749      owl_global_set_curmsg_vert_offset(&g, lines-1);
1750    } else {
1751      owl_global_set_curmsg_vert_offset(&g, offset+step);
1752    }
1753  }
1754
1755  /* would we be before the beginning of the message? */
1756  if (step<0) {
1757    if (offset+step<0) {
1758      owl_global_set_curmsg_vert_offset(&g, 0);
1759    } else {
1760      owl_global_set_curmsg_vert_offset(&g, offset+step);
1761    }
1762  }
1763 
1764  /* redisplay */
1765  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1766  owl_global_set_needrefresh(&g);
1767}
1768
1769void owl_function_resize_typwin(int newsize)
1770{
1771  owl_global_set_typwin_lines(&g, newsize);
1772  owl_function_resize();
1773}
1774
1775void owl_function_typwin_grow()
1776{
1777  int i;
1778
1779  i=owl_global_get_typwin_lines(&g);
1780  owl_function_resize_typwin(i+1);
1781}
1782
1783void owl_function_typwin_shrink()
1784{
1785  int i;
1786
1787  i=owl_global_get_typwin_lines(&g);
1788  if (i>2) {
1789    owl_function_resize_typwin(i-1);
1790  }
1791}
1792
1793void owl_function_mainwin_pagedown()
1794{
1795  int i;
1796
1797  i=owl_mainwin_get_last_msg(owl_global_get_mainwin(&g));
1798  if (i<0) return;
1799  if (owl_mainwin_is_last_msg_truncated(owl_global_get_mainwin(&g))
1800      && (owl_global_get_curmsg(&g) < i)
1801      && (i>0)) {
1802    i--;
1803  }
1804  owl_global_set_curmsg(&g, i);
1805  owl_function_nextmsg();
1806}
1807
1808void owl_function_mainwin_pageup()
1809{
1810  owl_global_set_curmsg(&g, owl_global_get_topmsg(&g));
1811  owl_function_prevmsg();
1812}
1813
1814void owl_function_getsubs()
1815{
1816  char *buff;
1817
1818  buff=owl_zephyr_getsubs();
1819
1820  if (buff) {
1821    owl_function_popless_text(buff);
1822  } else {
1823    owl_function_popless_text("Error getting subscriptions");
1824  }
1825           
1826  owl_free(buff);
1827}
1828
1829#define PABUFLEN 5000
1830void owl_function_printallvars()
1831{
1832  char buff[PABUFLEN], *pos, *name;
1833  owl_list varnames;
1834  int i, numvarnames, rem;
1835
1836  pos = buff;
1837  pos += sprintf(pos, "%-20s = %s\n", "VARIABLE", "VALUE");
1838  pos += sprintf(pos, "%-20s   %s\n",  "--------", "-----");
1839  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1840  rem = (buff+PABUFLEN)-pos-1;
1841  numvarnames = owl_list_get_size(&varnames);
1842  for (i=0; i<numvarnames; i++) {
1843    name = owl_list_get_element(&varnames, i);
1844    if (name && name[0]!='_') {
1845      rem = (buff+PABUFLEN)-pos-1;   
1846      pos += snprintf(pos, rem, "\n%-20s = ", name);
1847      rem = (buff+PABUFLEN)-pos-1;   
1848      owl_variable_get_tostring(owl_global_get_vardict(&g), name, pos, rem);
1849      pos = buff+strlen(buff);
1850    }
1851  }
1852  rem = (buff+PABUFLEN)-pos-1;   
1853  snprintf(pos, rem, "\n");
1854  owl_variable_dict_namelist_free(&varnames);
1855 
1856  owl_function_popless_text(buff);
1857}
1858
1859void owl_function_show_variables()
1860{
1861  owl_list varnames;
1862  owl_fmtext fm; 
1863  int i, numvarnames;
1864  char *varname;
1865
1866  owl_fmtext_init_null(&fm);
1867  owl_fmtext_append_bold(&fm, 
1868      "Variables: (use 'show variable <name>' for details)\n");
1869  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1870  numvarnames = owl_list_get_size(&varnames);
1871  for (i=0; i<numvarnames; i++) {
1872    varname = owl_list_get_element(&varnames, i);
1873    if (varname && varname[0]!='_') {
1874      owl_variable_describe(owl_global_get_vardict(&g), varname, &fm);
1875    }
1876  }
1877  owl_variable_dict_namelist_free(&varnames);
1878  owl_function_popless_fmtext(&fm);
1879  owl_fmtext_free(&fm);
1880}
1881
1882void owl_function_show_variable(char *name)
1883{
1884  owl_fmtext fm; 
1885
1886  owl_fmtext_init_null(&fm);
1887  owl_variable_get_help(owl_global_get_vardict(&g), name, &fm);
1888  owl_function_popless_fmtext(&fm);
1889  owl_fmtext_free(&fm); 
1890}
1891
1892/* note: this applies to global message list, not to view.
1893 * If flag is 1, deletes.  If flag is 0, undeletes. */
1894void owl_function_delete_by_id(int id, int flag)
1895{
1896  owl_messagelist *ml;
1897  owl_message *m;
1898  ml = owl_global_get_msglist(&g);
1899  m = owl_messagelist_get_by_id(ml, id);
1900  if (m) {
1901    if (flag == 1) {
1902      owl_message_mark_delete(m);
1903    } else if (flag == 0) {
1904      owl_message_unmark_delete(m);
1905    }
1906    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1907    owl_global_set_needrefresh(&g);
1908  } else {
1909    owl_function_error("No message with id %d: unable to mark for (un)delete",id);
1910  }
1911}
1912
1913void owl_function_delete_automsgs()
1914{
1915  /* mark for deletion all messages in the current view that match the
1916   * 'trash' filter */
1917
1918  int i, j, count;
1919  owl_message *m;
1920  owl_view *v;
1921  owl_filter *f;
1922
1923  /* get the trash filter */
1924  f=owl_global_get_filter(&g, "trash");
1925  if (!f) {
1926    owl_function_error("No trash filter defined");
1927    return;
1928  }
1929
1930  v=owl_global_get_current_view(&g);
1931
1932  count=0;
1933  j=owl_view_get_size(v);
1934  for (i=0; i<j; i++) {
1935    m=owl_view_get_element(v, i);
1936    if (owl_filter_message_match(f, m)) {
1937      count++;
1938      owl_message_mark_delete(m);
1939    }
1940  }
1941  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1942  owl_function_makemsg("%i messages marked for deletion", count);
1943  owl_global_set_needrefresh(&g);
1944}
1945
1946void owl_function_status()
1947{
1948  char buff[5000];
1949  time_t start;
1950  int up, days, hours, minutes;
1951  owl_fmtext fm;
1952
1953  owl_fmtext_init_null(&fm);
1954
1955  start=owl_global_get_starttime(&g);
1956
1957  owl_fmtext_append_normal(&fm, "General Information:\n");
1958
1959  owl_fmtext_append_normal(&fm, "  Version: ");
1960  owl_fmtext_append_normal(&fm, OWL_VERSION_STRING);
1961  owl_fmtext_append_normal(&fm, "\n");
1962
1963  owl_fmtext_append_normal(&fm, "  Startup Arugments: ");
1964  owl_fmtext_append_normal(&fm, owl_global_get_startupargs(&g));
1965  owl_fmtext_append_normal(&fm, "\n");
1966
1967  owl_fmtext_append_normal(&fm, "  Current Directory: ");
1968  (void) getcwd(buff, MAXPATHLEN);
1969  owl_fmtext_append_normal(&fm, buff);
1970  owl_fmtext_append_normal(&fm, "\n");
1971
1972  sprintf(buff, "  Startup Time: %s", ctime(&start));
1973  owl_fmtext_append_normal(&fm, buff);
1974
1975  up=owl_global_get_runtime(&g);
1976  days=up/86400;
1977  up-=days*86400;
1978  hours=up/3600;
1979  up-=hours*3600;
1980  minutes=up/60;
1981  up-=minutes*60;
1982  sprintf(buff, "  Run Time: %i days %2.2i:%2.2i:%2.2i\n", days, hours, minutes, up);
1983  owl_fmtext_append_normal(&fm, buff);
1984
1985  owl_fmtext_append_normal(&fm, "\nProtocol Options:\n");
1986  owl_fmtext_append_normal(&fm, "  Zephyr included    : ");
1987  if (owl_global_is_havezephyr(&g)) {
1988    owl_fmtext_append_normal(&fm, "yes\n");
1989  } else {
1990    owl_fmtext_append_normal(&fm, "no\n");
1991  }
1992  owl_fmtext_append_normal(&fm, "  AIM included       : yes\n");
1993  owl_fmtext_append_normal(&fm, "  Loopback included  : yes\n");
1994
1995
1996  owl_fmtext_append_normal(&fm, "\nBuild Options:\n");
1997  owl_fmtext_append_normal(&fm, "  Stderr redirection : ");
1998#if OWL_STDERR_REDIR
1999  owl_fmtext_append_normal(&fm, "yes\n");
2000#else
2001  owl_fmtext_append_normal(&fm, "no\n");
2002#endif
2003 
2004
2005  owl_fmtext_append_normal(&fm, "\nMemory Usage:\n");
2006  owl_fmtext_append_normal(&fm, "  Not currently available.\n");
2007  /*
2008  sprintf(buff, "%sMemory Malloced: %i\n", buff, owl_global_get_malloced(&g));
2009  sprintf(buff, "%sMemory Freed: %i\n", buff, owl_global_get_freed(&g));
2010  sprintf(buff, "%sMemory In Use: %i\n", buff, owl_global_get_meminuse(&g));
2011  */
2012
2013  owl_fmtext_append_normal(&fm, "\nAIM Status:\n");
2014  owl_fmtext_append_normal(&fm, "  Logged in: ");
2015  if (owl_global_is_aimloggedin(&g)) {
2016    owl_fmtext_append_normal(&fm, owl_global_get_aim_screenname(&g));
2017    owl_fmtext_append_normal(&fm, "\n");
2018  } else {
2019    owl_fmtext_append_normal(&fm, "(not logged in)\n");
2020  }
2021
2022  owl_fmtext_append_normal(&fm, "  Processing events: ");
2023  if (owl_global_is_doaimevents(&g)) {
2024    owl_fmtext_append_normal(&fm, "yes\n");
2025  } else {
2026    owl_fmtext_append_normal(&fm, "no\n");
2027  }
2028
2029  owl_function_popless_fmtext(&fm);
2030  owl_fmtext_free(&fm);
2031}
2032
2033void owl_function_show_term()
2034{
2035  owl_fmtext fm;
2036  char buff[LINE];
2037
2038  owl_fmtext_init_null(&fm);
2039  sprintf(buff, "Terminal Lines: %i\nTerminal Columns: %i\n",
2040          owl_global_get_lines(&g),
2041          owl_global_get_cols(&g));
2042  owl_fmtext_append_normal(&fm, buff);
2043
2044  if (owl_global_get_hascolors(&g)) {
2045    owl_fmtext_append_normal(&fm, "Color: Yes\n");
2046    sprintf(buff, "Number of color pairs: %i\n", owl_global_get_colorpairs(&g));
2047    owl_fmtext_append_normal(&fm, buff);
2048    sprintf(buff, "Can change colors: %s\n", can_change_color() ? "yes" : "no");
2049    owl_fmtext_append_normal(&fm, buff);
2050  } else {
2051    owl_fmtext_append_normal(&fm, "Color: No\n");
2052  }
2053
2054  owl_function_popless_fmtext(&fm);
2055  owl_fmtext_free(&fm);
2056}
2057
2058/* if type = 0 then normal reply.
2059 * if type = 1 then it's a reply to sender
2060 * if enter = 0 then allow the command to be edited
2061 * if enter = 1 then don't wait for editing
2062 */
2063void owl_function_reply(int type, int enter)
2064{
2065  char *buff=NULL, *oldbuff;
2066  owl_message *m;
2067  owl_filter *f;
2068 
2069  if (owl_view_get_size(owl_global_get_current_view(&g))==0) {
2070    owl_function_error("No message selected");
2071  } else {
2072    char *class, *inst, *to, *cc=NULL;
2073   
2074    m=owl_view_get_element(owl_global_get_current_view(&g), owl_global_get_curmsg(&g));
2075    if (!m) {
2076      owl_function_error("No message selected");
2077      return;
2078    }
2079
2080    /* first check if we catch the reply-lockout filter */
2081    f=owl_global_get_filter(&g, "reply-lockout");
2082    if (f) {
2083      if (owl_filter_message_match(f, m)) {
2084        owl_function_error("Sorry, replies to this message have been disabled by the reply-lockout filter");
2085        return;
2086      }
2087    }
2088
2089    /* loopback */
2090    if (owl_message_is_type_loopback(m)) {
2091      owl_function_loopwrite_setup();
2092      return;
2093    }
2094
2095    /* zephyr */
2096    if (owl_message_is_type_zephyr(m)) {
2097      /* if it's a zephyr we sent, send it out the same way again */
2098      if (owl_message_is_direction_out(m)) {
2099        owl_function_zwrite_setup(owl_message_get_zwriteline(m));
2100        owl_global_set_buffercommand(&g, owl_message_get_zwriteline(m));
2101        return;
2102      }
2103
2104      /* Special case a personal reply to a webzephyr user on a class */
2105      if ((type==1) && !strcasecmp(owl_message_get_opcode(m), OWL_WEBZEPHYR_OPCODE)) {
2106        class=OWL_WEBZEPHYR_CLASS;
2107        inst=owl_message_get_sender(m);
2108        to=OWL_WEBZEPHYR_PRINCIPAL;
2109      } else if (!strcasecmp(owl_message_get_class(m), OWL_WEBZEPHYR_CLASS) && owl_message_is_loginout(m)) {
2110        /* Special case LOGIN/LOGOUT notifications on class "webzephyr" */
2111        class=OWL_WEBZEPHYR_CLASS;
2112        inst=owl_message_get_instance(m);
2113        to=OWL_WEBZEPHYR_PRINCIPAL;
2114      } else if (owl_message_is_loginout(m)) {
2115        /* Normal LOGIN/LOGOUT messages */
2116        class="MESSAGE";
2117        inst="PERSONAL";
2118        to=owl_message_get_sender(m);
2119      } else if (type==1) {
2120        /* Personal reply */
2121        class="MESSAGE";
2122        inst="PERSONAL";
2123        to=owl_message_get_sender(m);
2124      } else {
2125        /* General reply */
2126        class=owl_message_get_class(m);
2127        inst=owl_message_get_instance(m);
2128        to=owl_message_get_recipient(m);
2129        cc=owl_message_get_cc(m);
2130        if (!strcmp(to, "") || !strcmp(to, "*")) {
2131          to="";
2132        } else if (to[0]=='@') {
2133          /* leave it, to get the realm */
2134        } else {
2135          to=owl_message_get_sender(m);
2136        }
2137      }
2138       
2139      /* create the command line */
2140      if (!strcasecmp(owl_message_get_opcode(m), "CRYPT")) {
2141        buff=owl_strdup("zcrypt");
2142      } else {
2143        buff = owl_strdup("zwrite");
2144      }
2145      if (strcasecmp(class, "message")) {
2146        buff = owl_sprintf("%s -c %s%s%s", oldbuff=buff, owl_getquoting(class), class, owl_getquoting(class));
2147        owl_free(oldbuff);
2148      }
2149      if (strcasecmp(inst, "personal")) {
2150        buff = owl_sprintf("%s -i %s%s%s", oldbuff=buff, owl_getquoting(inst), inst, owl_getquoting(inst));
2151        owl_free(oldbuff);
2152      }
2153      if (*to != '\0') {
2154        char *tmp, *oldtmp, *tmp2;
2155        tmp=short_zuser(to);
2156        if (cc) {
2157          tmp = owl_util_uniq(oldtmp=tmp, cc, "-");
2158          owl_free(oldtmp);
2159          buff = owl_sprintf("%s -C %s", oldbuff=buff, tmp);
2160          owl_free(oldbuff);
2161        } else {
2162          if (owl_global_is_smartstrip(&g)) {
2163            tmp2=tmp;
2164            tmp=owl_zephyr_smartstripped_user(tmp2);
2165            owl_free(tmp2);
2166          }
2167          buff = owl_sprintf("%s %s", oldbuff=buff, tmp);
2168          owl_free(oldbuff);
2169        }
2170        owl_free(tmp);
2171      }
2172      if (cc) owl_free(cc);
2173    } else if (owl_message_is_type_aim(m)) {
2174      /* aim */
2175      if (owl_message_is_direction_out(m)) {
2176        buff=owl_sprintf("aimwrite %s", owl_message_get_recipient(m));
2177      } else {
2178        buff=owl_sprintf("aimwrite %s", owl_message_get_sender(m));
2179      }
2180    } else {
2181      char *cmd;
2182      if((type==0 && (cmd=owl_message_get_attribute_value(m, "replycmd")))
2183         || (type==1 && (cmd=owl_message_get_attribute_value(m, "replysendercmd")))) {
2184        buff = owl_strdup(cmd);
2185      }
2186    }
2187
2188    if(!buff) {
2189        owl_function_error("I don't know how to reply to that message.");
2190        return;
2191    }
2192   
2193    if (enter) {
2194      owl_history *hist = owl_global_get_cmd_history(&g);
2195      owl_history_store(hist, buff);
2196      owl_history_reset(hist);
2197      owl_function_command_norv(buff);
2198    } else {
2199      owl_function_start_command(buff);
2200    }
2201    owl_free(buff);
2202  }
2203}
2204
2205void owl_function_zlocate(int argc, char **argv, int auth)
2206{
2207  owl_fmtext fm;
2208  char *ptr, buff[LINE];
2209  int i;
2210
2211  owl_fmtext_init_null(&fm);
2212
2213  for (i=0; i<argc; i++) {
2214    ptr=long_zuser(argv[i]);
2215    owl_zephyr_zlocate(ptr, buff, auth);
2216    owl_fmtext_append_normal(&fm, buff);
2217    owl_free(ptr);
2218  }
2219
2220  owl_function_popless_fmtext(&fm);
2221  owl_fmtext_free(&fm);
2222}
2223
2224void owl_function_start_command(char *line)
2225{
2226  int i, j;
2227  owl_editwin *tw;
2228
2229  tw=owl_global_get_typwin(&g);
2230  owl_global_set_typwin_active(&g);
2231  owl_editwin_new_style(tw, OWL_EDITWIN_STYLE_ONELINE, 
2232                        owl_global_get_cmd_history(&g));
2233
2234  owl_editwin_set_locktext(tw, "command: ");
2235  owl_global_set_needrefresh(&g);
2236
2237  j=strlen(line);
2238  for (i=0; i<j; i++) {
2239    owl_editwin_process_char(tw, line[i]);
2240  }
2241  owl_editwin_redisplay(tw, 0);
2242
2243  owl_context_set_editline(owl_global_get_context(&g), tw);
2244  owl_function_activate_keymap("editline");
2245}
2246
2247void owl_function_start_question(char *line)
2248{
2249  owl_editwin *tw;
2250
2251  tw=owl_global_get_typwin(&g);
2252  owl_global_set_typwin_active(&g);
2253  owl_editwin_new_style(tw, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
2254
2255  owl_editwin_set_locktext(tw, line);
2256  owl_global_set_needrefresh(&g);
2257
2258  owl_editwin_redisplay(tw, 0);
2259
2260  owl_context_set_editresponse(owl_global_get_context(&g), tw);
2261  owl_function_activate_keymap("editresponse");
2262}
2263
2264void owl_function_start_password(char *line)
2265{
2266  owl_editwin *tw;
2267
2268  tw=owl_global_get_typwin(&g);
2269  owl_global_set_typwin_active(&g);
2270  owl_editwin_new_style(tw, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
2271  owl_editwin_set_echochar(tw, '*');
2272
2273  owl_editwin_set_locktext(tw, line);
2274  owl_global_set_needrefresh(&g);
2275
2276  owl_editwin_redisplay(tw, 0);
2277
2278  owl_context_set_editresponse(owl_global_get_context(&g), tw);
2279  owl_function_activate_keymap("editresponse");
2280}
2281
2282char *owl_function_exec(int argc, char **argv, char *buff, int type)
2283{
2284  /* if type == 1 display in a popup
2285   * if type == 2 display an admin messages
2286   * if type == 0 return output
2287   * else display in a popup
2288   */
2289  char *newbuff, *redirect = " 2>&1 < /dev/null";
2290  char *out, buff2[1024];
2291  int size;
2292  FILE *p;
2293
2294#if OWL_STDERR_REDIR
2295  redirect = " < /dev/null";
2296#endif
2297
2298  if (argc<2) {
2299    owl_function_error("Wrong number of arguments to the exec command");
2300    return NULL;
2301  }
2302
2303  buff = skiptokens(buff, 1);
2304  newbuff = owl_malloc(strlen(buff)+strlen(redirect)+1);
2305  strcpy(newbuff, buff);
2306  strcat(newbuff, redirect);
2307
2308  if (type == 1) {
2309    owl_popexec_new(newbuff);
2310  } else {
2311    p=popen(newbuff, "r");
2312    out=owl_malloc(1024);
2313    size=1024;
2314    strcpy(out, "");
2315    while (fgets(buff2, 1024, p)!=NULL) {
2316      size+=1024;
2317      out=owl_realloc(out, size);
2318      strcat(out, buff2);
2319    }
2320    pclose(p);
2321   
2322    if (type==1) {
2323      owl_function_popless_text(out);
2324    } else if (type==0) {
2325      return out;
2326    } else if (type==2) {
2327      owl_function_adminmsg(buff, out);
2328    } else {
2329      owl_function_popless_text(out);
2330    }
2331    owl_free(out);
2332  }
2333  return NULL;
2334}
2335
2336char *owl_function_perl(int argc, char **argv, char *buff, int type)
2337{
2338  /* if type == 1 display in a popup
2339   * if type == 2 display an admin messages
2340   * if type == 0 return output
2341   * else display in a popup
2342   */
2343  char *perlout;
2344
2345  if (argc<2) {
2346    owl_function_error("Wrong number of arguments to perl command");
2347    return NULL;
2348  }
2349
2350  /* consume first token (argv[0]) */
2351  buff = skiptokens(buff, 1);
2352
2353  perlout = owl_perlconfig_execute(buff);
2354  if (perlout) { 
2355    if (type==1) {
2356      owl_function_popless_text(perlout);
2357    } else if (type==2) {
2358      owl_function_adminmsg(buff, perlout);
2359    } else if (type==0) {
2360      return perlout;
2361    } else {
2362      owl_function_popless_text(perlout);
2363    }
2364    owl_free(perlout);
2365  }
2366  return NULL;
2367}
2368
2369/* Change the filter associated with the current view.
2370 * This also figures out which message in the new filter
2371 * should have the pointer.
2372 */
2373void owl_function_change_currentview_filter(char *filtname)
2374{
2375  owl_view *v;
2376  owl_filter *f;
2377  int curid=-1, newpos, curmsg;
2378  owl_message *curm=NULL;
2379
2380  v=owl_global_get_current_view(&g);
2381
2382  curmsg=owl_global_get_curmsg(&g);
2383  if (curmsg==-1) {
2384    owl_function_debugmsg("Hit the curmsg==-1 case in change_view");
2385  } else {
2386    curm=owl_view_get_element(v, curmsg);
2387    if (curm) {
2388      curid=owl_message_get_id(curm);
2389      owl_view_save_curmsgid(v, curid);
2390    }
2391  }
2392
2393  f=owl_global_get_filter(&g, filtname);
2394  if (!f) {
2395    owl_function_error("Unknown filter %s", filtname);
2396    return;
2397  }
2398
2399  owl_view_new_filter(v, f);
2400
2401  /* Figure out what to set the current message to.
2402   * - If the view we're leaving has messages in it, go to the closest message
2403   *   to the last message pointed to in that view.
2404   * - If the view we're leaving is empty, try to restore the position
2405   *   from the last time we were in the new view.  */
2406  if (curm) {
2407    newpos = owl_view_get_nearest_to_msgid(v, curid);
2408  } else {
2409    newpos = owl_view_get_nearest_to_saved(v);
2410  }
2411
2412  owl_global_set_curmsg(&g, newpos);
2413  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
2414  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2415  owl_global_set_direction_downwards(&g);
2416}
2417
2418/* Create a new filter, or replace an existing one
2419 * with a new definition.
2420 */
2421void owl_function_create_filter(int argc, char **argv)
2422{
2423  owl_filter *f;
2424  owl_view *v;
2425  int ret, inuse=0;
2426
2427  if (argc < 2) {
2428    owl_function_error("Wrong number of arguments to filter command");
2429    return;
2430  }
2431
2432  owl_function_debugmsg("owl_function_create_filter: starting to create filter named %s", argv[1]);
2433
2434  v=owl_global_get_current_view(&g);
2435
2436  /* don't touch the all filter */
2437  if (!strcmp(argv[1], "all")) {
2438    owl_function_error("You may not change the 'all' filter.");
2439    return;
2440  }
2441
2442  /* deal with the case of trying change the filter color */
2443  if (argc==4 && !strcmp(argv[2], "-c")) {
2444    f=owl_global_get_filter(&g, argv[1]);
2445    if (!f) {
2446      owl_function_error("The filter '%s' does not exist.", argv[1]);
2447      return;
2448    }
2449    if (owl_util_string_to_color(argv[3])==-1) {
2450      owl_function_error("The color '%s' is not available.", argv[3]);
2451      return;
2452    }
2453    owl_filter_set_color(f, owl_util_string_to_color(argv[3]));
2454    owl_global_set_needrefresh(&g);
2455    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2456    return;
2457  }
2458
2459  /* create the filter and check for errors */
2460  f=owl_malloc(sizeof(owl_filter));
2461  ret=owl_filter_init(f, argv[1], argc-2, argv+2);
2462  if (ret==-1) {
2463    owl_free(f);
2464    owl_function_error("Invalid filter");
2465    return;
2466  }
2467
2468  /* if the named filter is in use by the current view, remember it */
2469  if (!strcmp(owl_view_get_filtname(v), argv[1])) {
2470    inuse=1;
2471  }
2472
2473  /* if the named filter already exists, nuke it */
2474  if (owl_global_get_filter(&g, argv[1])) {
2475    owl_global_remove_filter(&g, argv[1]);
2476  }
2477
2478  /* add the filter */
2479  owl_global_add_filter(&g, f);
2480
2481  /* if it was in use by the current view then update */
2482  if (inuse) {
2483    owl_function_change_currentview_filter(argv[1]);
2484  }
2485  owl_global_set_needrefresh(&g);
2486  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2487}
2488
2489/* If 'filtername' does not start with 'not-' create a filter named
2490 * 'not-<filtername>' defined as "not filter <filtername>".  If the
2491 * filter 'not-<filtername>' already exists, do not overwrite it.  If
2492 * 'filtername' begins with 'not-' and a filter 'filtername' already
2493 * exists, then do nothing.  If the filter 'filtername' does not
2494 * exist, create it and define it as 'not filter <filtername>'
2495 *
2496 * Returns the name of the negated filter, which the caller must free.
2497 */
2498char *owl_function_create_negative_filter(char *filtername)
2499{
2500  char *newname;
2501  owl_filter *tmpfilt;
2502  char *argv[5];
2503
2504  owl_function_debugmsg("owl_function_create_negative_filter");
2505 
2506  if (!strncmp(filtername, "not-", 4)) {
2507    newname=owl_strdup(filtername+4);
2508  } else {
2509    newname=owl_sprintf("not-%s", filtername);
2510  }
2511
2512  tmpfilt=owl_global_get_filter(&g, newname);
2513  if (!tmpfilt) {
2514    argv[0]="filter"; /* anything is fine here */
2515    argv[1]=newname;
2516    argv[2]="not";
2517    argv[3]="filter";
2518    argv[4]=filtername;
2519    owl_function_create_filter(5, argv);
2520  }
2521
2522  owl_function_debugmsg("owl_function_create_negative_filter: returning with %s", newname);
2523  return(newname);
2524}
2525
2526void owl_function_show_filters()
2527{
2528  owl_list *l;
2529  owl_filter *f;
2530  int i, j;
2531  owl_fmtext fm;
2532
2533  owl_fmtext_init_null(&fm);
2534
2535  l=owl_global_get_filterlist(&g);
2536  j=owl_list_get_size(l);
2537
2538  owl_fmtext_append_bold(&fm, "Filters:\n");
2539
2540  for (i=0; i<j; i++) {
2541    f=owl_list_get_element(l, i);
2542    owl_fmtext_append_normal(&fm, "   ");
2543    if (owl_global_get_hascolors(&g)) {
2544      owl_fmtext_append_normal_color(&fm, owl_filter_get_name(f), owl_filter_get_color(f));
2545    } else {
2546      owl_fmtext_append_normal(&fm, owl_filter_get_name(f));
2547    }
2548    owl_fmtext_append_normal(&fm, "\n");
2549  }
2550  owl_function_popless_fmtext(&fm);
2551  owl_fmtext_free(&fm);
2552}
2553
2554void owl_function_show_filter(char *name)
2555{
2556  owl_filter *f;
2557  char buff[5000];
2558
2559  f=owl_global_get_filter(&g, name);
2560  if (!f) {
2561    owl_function_error("There is no filter named %s", name);
2562    return;
2563  }
2564  owl_filter_print(f, buff);
2565  owl_function_popless_text(buff);
2566}
2567
2568void owl_function_show_zpunts()
2569{
2570  owl_filter *f;
2571  owl_list *fl;
2572  char buff[5000];
2573  owl_fmtext fm;
2574  int i, j;
2575
2576  owl_fmtext_init_null(&fm);
2577
2578  fl=owl_global_get_puntlist(&g);
2579  j=owl_list_get_size(fl);
2580  owl_fmtext_append_bold(&fm, "Active zpunt filters:\n");
2581
2582  for (i=0; i<j; i++) {
2583    f=owl_list_get_element(fl, i);
2584    owl_filter_print(f, buff);
2585    owl_fmtext_append_normal(&fm, buff);
2586  }
2587  owl_function_popless_fmtext(&fm);
2588  owl_fmtext_free(&fm);
2589}
2590
2591/* Create a filter for a class, instance if one doesn't exist.  If
2592 * instance is NULL then catch all messgaes in the class.  Returns the
2593 * name of the filter, which the caller must free.
2594 */
2595char *owl_function_classinstfilt(char *class, char *instance) 
2596{
2597  owl_list *fl;
2598  owl_filter *f;
2599  char *argbuff, *filtname;
2600  char *tmpclass, *tmpinstance = NULL;
2601  int len;
2602
2603  fl=owl_global_get_filterlist(&g);
2604
2605  /* name for the filter */
2606  len=strlen(class)+30;
2607  if (instance) len+=strlen(instance);
2608  filtname=owl_malloc(len);
2609  if (!instance) {
2610    sprintf(filtname, "class-%s", class);
2611  } else {
2612    sprintf(filtname, "class-%s-instance-%s", class, instance);
2613  }
2614  /* downcase it */
2615  downstr(filtname);
2616  /* turn spaces into dots */
2617  owl_text_tr(filtname, ' ', '.');
2618 
2619  /* if it already exists then go with it.  This lets users override */
2620  if (owl_global_get_filter(&g, filtname)) {
2621    return(filtname);
2622  }
2623
2624  /* create the new filter */
2625  argbuff=owl_malloc(len+20);
2626  tmpclass=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2627  owl_text_tr(tmpclass, ' ', '.');
2628  if (instance) {
2629    tmpinstance=owl_text_quote(instance, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2630    owl_text_tr(tmpinstance, ' ', '.');
2631  }
2632  sprintf(argbuff, "( class ^(un)*%s(\\.d)*$ )", tmpclass);
2633  if (tmpinstance) {
2634    sprintf(argbuff, "%s and ( instance ^%s(\\.d)*$ )", argbuff, tmpinstance);
2635  }
2636  owl_free(tmpclass);
2637  if (tmpinstance) owl_free(tmpinstance);
2638
2639  f=owl_malloc(sizeof(owl_filter));
2640  owl_filter_init_fromstring(f, filtname, argbuff);
2641
2642  /* add it to the global list */
2643  owl_global_add_filter(&g, f);
2644
2645  owl_free(argbuff);
2646  return(filtname);
2647}
2648
2649/* Create a filter for personal zephyrs to or from the specified
2650 * zephyr user.  Includes login/logout notifications for the user.
2651 * The name of the filter will be 'user-<user>'.  If a filter already
2652 * exists with this name, no new filter will be created.  This allows
2653 * the configuration to override this function.  Returns the name of
2654 * the filter, which the caller must free.
2655 */
2656char *owl_function_zuserfilt(char *user)
2657{
2658  owl_filter *f;
2659  char *argbuff, *longuser, *shortuser, *filtname;
2660
2661  /* stick the local realm on if it's not there */
2662  longuser=long_zuser(user);
2663  shortuser=short_zuser(user);
2664
2665  /* name for the filter */
2666  filtname=owl_malloc(strlen(shortuser)+20);
2667  sprintf(filtname, "user-%s", shortuser);
2668
2669  /* if it already exists then go with it.  This lets users override */
2670  if (owl_global_get_filter(&g, filtname)) {
2671    return(owl_strdup(filtname));
2672  }
2673
2674  /* create the new-internal filter */
2675  f=owl_malloc(sizeof(owl_filter));
2676
2677  argbuff=owl_malloc(strlen(longuser)+1000);
2678  sprintf(argbuff, "( type ^zephyr$ and ( class ^message$ and instance ^personal$ and ");
2679  sprintf(argbuff, "%s ( ( direction ^in$ and sender ^%s$ ) or ( direction ^out$ and recipient ^%s$ ) ) )", argbuff, longuser, longuser);
2680  sprintf(argbuff, "%s or ( ( class ^login$ ) and ( sender ^%s$ ) ) )", argbuff, longuser);
2681
2682  owl_filter_init_fromstring(f, filtname, argbuff);
2683
2684  /* add it to the global list */
2685  owl_global_add_filter(&g, f);
2686
2687  /* free stuff */
2688  owl_free(argbuff);
2689  owl_free(longuser);
2690  owl_free(shortuser);
2691
2692  return(filtname);
2693}
2694
2695/* Create a filter for AIM IM messages to or from the specified
2696 * screenname.  The name of the filter will be 'aimuser-<user>'.  If a
2697 * filter already exists with this name, no new filter will be
2698 * created.  This allows the configuration to override this function.
2699 * Returns the name of the filter, which the caller must free.
2700 */
2701char *owl_function_aimuserfilt(char *user)
2702{
2703  owl_filter *f;
2704  char *argbuff, *filtname;
2705
2706  /* name for the filter */
2707  filtname=owl_malloc(strlen(user)+40);
2708  sprintf(filtname, "aimuser-%s", user);
2709
2710  /* if it already exists then go with it.  This lets users override */
2711  if (owl_global_get_filter(&g, filtname)) {
2712    return(owl_strdup(filtname));
2713  }
2714
2715  /* create the new-internal filter */
2716  f=owl_malloc(sizeof(owl_filter));
2717
2718  argbuff=owl_malloc(1000);
2719  sprintf(argbuff,
2720          "( type ^aim$ and ( ( sender ^%s$ and recipient ^%s$ ) or ( sender ^%s$ and recipient ^%s$ ) ) )",
2721          user, owl_global_get_aim_screenname(&g), owl_global_get_aim_screenname(&g), user);
2722
2723  owl_filter_init_fromstring(f, filtname, argbuff);
2724
2725  /* add it to the global list */
2726  owl_global_add_filter(&g, f);
2727
2728  /* free stuff */
2729  owl_free(argbuff);
2730
2731  return(filtname);
2732}
2733
2734char *owl_function_typefilt(char *type)
2735{
2736  owl_filter *f;
2737  char *argbuff, *filtname;
2738
2739  /* name for the filter */
2740  filtname=owl_sprintf("type-%s", type);
2741
2742  /* if it already exists then go with it.  This lets users override */
2743  if (owl_global_get_filter(&g, filtname)) {
2744    return filtname;
2745  }
2746
2747  /* create the new-internal filter */
2748  f=owl_malloc(sizeof(owl_filter));
2749
2750  argbuff = owl_sprintf("type ^%s$", type);
2751
2752  owl_filter_init_fromstring(f, filtname, argbuff);
2753
2754  /* add it to the global list */
2755  owl_global_add_filter(&g, f);
2756
2757  /* free stuff */
2758  owl_free(argbuff);
2759
2760  return filtname;
2761}
2762
2763/* If flag is 1, marks for deletion.  If flag is 0,
2764 * unmarks for deletion. */
2765void owl_function_delete_curview_msgs(int flag)
2766{
2767  owl_view *v;
2768  int i, j;
2769
2770  v=owl_global_get_current_view(&g);
2771  j=owl_view_get_size(v);
2772  for (i=0; i<j; i++) {
2773    if (flag == 1) {
2774      owl_message_mark_delete(owl_view_get_element(v, i));
2775    } else if (flag == 0) {
2776      owl_message_unmark_delete(owl_view_get_element(v, i));
2777    }
2778  }
2779
2780  owl_function_makemsg("%i messages marked for %sdeletion", j, flag?"":"un");
2781
2782  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
2783}
2784
2785/* Create a filter based on the current message.  Returns the name of
2786 * a filter or null.  The caller must free this name.
2787 *
2788 * if the curmsg is a personal zephyr return a filter name
2789 *    to the zephyr converstaion with that user.
2790 * If the curmsg is a zephyr class message, instance foo, recip *,
2791 *    return a filter name to the class, inst.
2792 * If the curmsg is a zephyr class message and type==0 then
2793 *    return a filter name for just the class.
2794 * If the curmsg is a zephyr class message and type==1 then
2795 *    return a filter name for the class and instance.
2796 * If the curmsg is a personal AIM message returna  filter
2797 *    name to the AIM conversation with that user
2798 */
2799char *owl_function_smartfilter(int type)
2800{
2801  owl_view *v;
2802  owl_message *m;
2803  char *zperson, *filtname=NULL;
2804 
2805  v=owl_global_get_current_view(&g);
2806  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2807
2808  if (!m || owl_view_get_size(v)==0) {
2809    owl_function_error("No message selected\n");
2810    return(NULL);
2811  }
2812
2813  /* very simple handling of admin messages for now */
2814  if (owl_message_is_type_admin(m)) {
2815    return(owl_function_typefilt("admin"));
2816  }
2817
2818  /* very simple handling of loopback messages for now */
2819  if (owl_message_is_type_loopback(m)) {
2820    return(owl_function_typefilt("loopback"));
2821  }
2822
2823  /* aim messages */
2824  if (owl_message_is_type_aim(m)) {
2825    if (owl_message_is_direction_in(m)) {
2826      filtname=owl_function_aimuserfilt(owl_message_get_sender(m));
2827    } else if (owl_message_is_direction_out(m)) {
2828      filtname=owl_function_aimuserfilt(owl_message_get_recipient(m));
2829    }
2830    return(filtname);
2831  }
2832
2833  /* narrow personal and login messages to the sender or recip as appropriate */
2834  if (owl_message_is_personal(m) || owl_message_is_loginout(m)) {
2835    if (owl_message_is_type_zephyr(m)) {
2836      if (owl_message_is_direction_in(m)) {
2837        zperson=short_zuser(owl_message_get_sender(m));
2838      } else {
2839        zperson=short_zuser(owl_message_get_recipient(m));
2840      }
2841      filtname=owl_function_zuserfilt(zperson);
2842      owl_free(zperson);
2843      return(filtname);
2844    }
2845    return(NULL);
2846  }
2847
2848  /* narrow class MESSAGE, instance foo, recip * messages to class, inst */
2849  if (!strcasecmp(owl_message_get_class(m), "message") && !owl_message_is_personal(m)) {
2850    filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m));
2851    return(filtname);
2852  }
2853
2854  /* otherwise narrow to the class */
2855  if (type==0) {
2856    filtname=owl_function_classinstfilt(owl_message_get_class(m), NULL);
2857  } else if (type==1) {
2858    filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m));
2859  }
2860  return(filtname);
2861}
2862
2863void owl_function_smartzpunt(int type)
2864{
2865  /* Starts a zpunt command based on the current class,instance pair.
2866   * If type=0, uses just class.  If type=1, uses instance as well. */
2867  owl_view *v;
2868  owl_message *m;
2869  char *cmd, *cmdprefix, *mclass, *minst;
2870 
2871  v=owl_global_get_current_view(&g);
2872  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2873
2874  if (!m || owl_view_get_size(v)==0) {
2875    owl_function_error("No message selected\n");
2876    return;
2877  }
2878
2879  /* for now we skip admin messages. */
2880  if (owl_message_is_type_admin(m)
2881      || owl_message_is_loginout(m)
2882      || !owl_message_is_type_zephyr(m)) {
2883    owl_function_error("smartzpunt doesn't support this message type.");
2884    return;
2885  }
2886
2887  mclass = owl_message_get_class(m);
2888  minst = owl_message_get_instance(m);
2889  if (!mclass || !*mclass || *mclass==' '
2890      || (!strcasecmp(mclass, "message") && !strcasecmp(minst, "personal"))
2891      || (type && (!minst || !*minst|| *minst==' '))) {
2892    owl_function_error("smartzpunt can't safely do this for <%s,%s>",
2893                         mclass, minst);
2894  } else {
2895    cmdprefix = "start-command zpunt ";
2896    cmd = owl_malloc(strlen(cmdprefix)+strlen(mclass)+strlen(minst)+10);
2897    strcpy(cmd, cmdprefix);
2898    strcat(cmd, owl_getquoting(mclass));
2899    strcat(cmd, mclass);
2900    strcat(cmd, owl_getquoting(mclass));
2901    if (type) {
2902      strcat(cmd, " ");
2903      strcat(cmd, owl_getquoting(minst));
2904      strcat(cmd, minst);
2905      strcat(cmd, owl_getquoting(minst));
2906    } else {
2907      strcat(cmd, " *");
2908    }
2909    owl_function_command(cmd);
2910    owl_free(cmd);
2911  }
2912}
2913
2914/* Set the color of the current view's filter to
2915 * be 'color'
2916 */
2917void owl_function_color_current_filter(char *color)
2918{
2919  char *name;
2920
2921  name=owl_view_get_filtname(owl_global_get_current_view(&g));
2922  owl_function_color_filter(name, color);
2923}
2924
2925/* Set the color of the filter 'filter' to be 'color'.  If the color
2926 * name does not exist, return -1, if the filter does not exist or is
2927 * the "all" filter, return -2.  Return 0 on success
2928 */
2929int owl_function_color_filter(char *filtname, char *color)
2930{
2931  owl_filter *f;
2932
2933  f=owl_global_get_filter(&g, filtname);
2934  if (!f) {
2935    owl_function_error("Unknown filter");
2936    return(-2);
2937  }
2938
2939  /* don't touch the all filter */
2940  if (!strcmp(filtname, "all")) {
2941    owl_function_error("You may not change the 'all' filter.");
2942    return(-2);
2943  }
2944
2945  if (owl_util_string_to_color(color)==-1) {
2946    owl_function_error("No color named '%s' avilable.");
2947    return(-1);
2948  }
2949  owl_filter_set_color(f, owl_util_string_to_color(color));
2950  owl_global_set_needrefresh(&g);
2951  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2952  return(0);
2953}
2954
2955void owl_function_show_colors()
2956{
2957  owl_fmtext fm;
2958
2959  owl_fmtext_init_null(&fm);
2960  owl_fmtext_append_normal(&fm, "default: ");
2961  owl_fmtext_append_normal_color(&fm, "default\n", OWL_COLOR_DEFAULT);
2962
2963  owl_fmtext_append_normal(&fm,"red:      ");
2964  owl_fmtext_append_normal_color(&fm, "red\n", OWL_COLOR_RED);
2965
2966  owl_fmtext_append_normal(&fm,"green:    ");
2967  owl_fmtext_append_normal_color(&fm, "green\n", OWL_COLOR_GREEN);
2968
2969  owl_fmtext_append_normal(&fm,"yellow:   ");
2970  owl_fmtext_append_normal_color(&fm, "yellow\n", OWL_COLOR_YELLOW);
2971
2972  owl_fmtext_append_normal(&fm,"blue:     ");
2973  owl_fmtext_append_normal_color(&fm, "blue\n", OWL_COLOR_BLUE);
2974
2975  owl_fmtext_append_normal(&fm,"magenta:  ");
2976  owl_fmtext_append_normal_color(&fm, "magenta\n", OWL_COLOR_MAGENTA);
2977
2978  owl_fmtext_append_normal(&fm,"cyan:     ");
2979  owl_fmtext_append_normal_color(&fm, "cyan\n", OWL_COLOR_CYAN);
2980
2981  owl_fmtext_append_normal(&fm,"white:    ");
2982  owl_fmtext_append_normal_color(&fm, "white\n", OWL_COLOR_WHITE);
2983
2984  owl_function_popless_fmtext(&fm);
2985  owl_fmtext_free(&fm);
2986}
2987
2988/* add the given class, inst, recip to the punt list for filtering.
2989 *   if direction==0 then punt
2990 *   if direction==1 then unpunt
2991 */
2992void owl_function_zpunt(char *class, char *inst, char *recip, int direction)
2993{
2994  owl_filter *f;
2995  owl_list *fl;
2996  char *buff;
2997  char *quoted;
2998  int ret, i, j;
2999
3000  fl=owl_global_get_puntlist(&g);
3001
3002  /* first, create the filter */
3003  f=malloc(sizeof(owl_filter));
3004  buff=malloc(strlen(class)+strlen(inst)+strlen(recip)+100);
3005  strcpy(buff, "class");
3006  if (!strcmp(class, "*")) {
3007    strcat(buff, " .*");
3008  } else {
3009    quoted=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
3010    owl_text_tr(quoted, ' ', '.');
3011    sprintf(buff, "%s ^(un)*%s(\\.d)*$", buff, quoted);
3012    owl_free(quoted);
3013  }
3014  if (!strcmp(inst, "*")) {
3015    strcat(buff, " and instance .*");
3016  } else {
3017    quoted=owl_text_quote(inst, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
3018    owl_text_tr(quoted, ' ', '.');
3019    sprintf(buff, "%s and instance ^(un)*%s(\\.d)*$", buff, quoted);
3020    owl_free(quoted);
3021  }
3022  if (strcmp(recip, "*")) {
3023    quoted=owl_text_quote(recip, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
3024    owl_text_tr(quoted, ' ', '.');
3025    sprintf(buff, "%s and recipient ^%s$", buff, quoted);
3026    owl_free(quoted);
3027  }
3028 
3029  owl_function_debugmsg("About to filter %s", buff);
3030  ret=owl_filter_init_fromstring(f, "punt-filter", buff);
3031  owl_free(buff);
3032  if (ret) {
3033    owl_function_error("Error creating filter for zpunt");
3034    owl_filter_free(f);
3035    return;
3036  }
3037
3038  /* Check for an identical filter */
3039  j=owl_list_get_size(fl);
3040  for (i=0; i<j; i++) {
3041    if (owl_filter_equiv(f, owl_list_get_element(fl, i))) {
3042      /* if we're punting, then just silently bow out on this duplicate */
3043      if (direction==0) {
3044        owl_filter_free(f);
3045        return;
3046      }
3047
3048      /* if we're unpunting, then remove this filter from the puntlist */
3049      if (direction==1) {
3050        owl_filter_free(owl_list_get_element(fl, i));
3051        owl_list_remove_element(fl, i);
3052        return;
3053      }
3054    }
3055  }
3056
3057  /* If we're punting, add the filter to the global punt list */
3058  if (direction==0) {
3059    owl_list_append_element(fl, f);
3060  }
3061}
3062
3063void owl_function_activate_keymap(char *keymap)
3064{
3065  if (!owl_keyhandler_activate(owl_global_get_keyhandler(&g), keymap)) {
3066    owl_function_error("Unable to activate keymap '%s'", keymap);
3067  }
3068}
3069
3070void owl_function_show_keymaps()
3071{
3072  owl_list l;
3073  owl_fmtext fm;
3074  owl_keymap *km;
3075  owl_keyhandler *kh;
3076  int i, numkm;
3077  char *kmname;
3078
3079  kh = owl_global_get_keyhandler(&g);
3080  owl_fmtext_init_null(&fm);
3081  owl_fmtext_append_bold(&fm, "Keymaps:   ");
3082  owl_fmtext_append_normal(&fm, "(use 'show keymap <name>' for details)\n");
3083  owl_keyhandler_get_keymap_names(kh, &l);
3084  owl_fmtext_append_list(&fm, &l, "\n", owl_function_keymap_summary);
3085  owl_fmtext_append_normal(&fm, "\n");
3086
3087  numkm = owl_list_get_size(&l);
3088  for (i=0; i<numkm; i++) {
3089    kmname = owl_list_get_element(&l, i);
3090    km = owl_keyhandler_get_keymap(kh, kmname);
3091    owl_fmtext_append_bold(&fm, "\n\n----------------------------------------------------------------------------------------------------\n\n");
3092    owl_keymap_get_details(km, &fm);   
3093  }
3094  owl_fmtext_append_normal(&fm, "\n");
3095 
3096  owl_function_popless_fmtext(&fm);
3097  owl_keyhandler_keymap_namelist_free(&l);
3098  owl_fmtext_free(&fm);
3099}
3100
3101char *owl_function_keymap_summary(void *name)
3102{
3103  owl_keymap *km
3104    = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
3105  if (km) return owl_keymap_summary(km);
3106  else return(NULL);
3107}
3108
3109/* TODO: implement for real */
3110void owl_function_show_keymap(char *name)
3111{
3112  owl_fmtext fm;
3113  owl_keymap *km;
3114
3115  owl_fmtext_init_null(&fm);
3116  km = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
3117  if (km) {
3118    owl_keymap_get_details(km, &fm);
3119  } else {
3120    owl_fmtext_append_normal(&fm, "No such keymap...\n");
3121  } 
3122  owl_function_popless_fmtext(&fm);
3123  owl_fmtext_free(&fm);
3124}
3125
3126void owl_function_help_for_command(char *cmdname)
3127{
3128  owl_fmtext fm;
3129
3130  owl_fmtext_init_null(&fm);
3131  owl_cmd_get_help(owl_global_get_cmddict(&g), cmdname, &fm);
3132  owl_function_popless_fmtext(&fm); 
3133  owl_fmtext_free(&fm);
3134}
3135
3136void owl_function_search_start(char *string, int direction)
3137{
3138  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS */
3139  owl_global_set_search_active(&g, string);
3140  owl_function_search_helper(0, direction);
3141}
3142
3143void owl_function_search_continue(int direction)
3144{
3145  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS */
3146  owl_function_search_helper(1, direction);
3147}
3148
3149void owl_function_search_helper(int mode, int direction)
3150{
3151  /* move to a message that contains the string.  If direction is
3152   * OWL_DIRECTION_DOWNWARDS then search fowards, if direction is
3153   * OWL_DIRECTION_UPWARDS then search backwards.
3154   *
3155   * If mode==0 then it will stay on the current message if it
3156   * contains the string.
3157   */
3158
3159  owl_view *v;
3160  int viewsize, i, curmsg, start;
3161  owl_message *m;
3162
3163  v=owl_global_get_current_view(&g);
3164  viewsize=owl_view_get_size(v);
3165  curmsg=owl_global_get_curmsg(&g);
3166 
3167  if (viewsize==0) {
3168    owl_function_error("No messages present");
3169    return;
3170  }
3171
3172  if (mode==0) {
3173    start=curmsg;
3174  } else if (direction==OWL_DIRECTION_DOWNWARDS) {
3175    start=curmsg+1;
3176  } else {
3177    start=curmsg-1;
3178  }
3179
3180  /* bounds check */
3181  if (start>=viewsize || start<0) {
3182    owl_function_error("No further matches found");
3183    return;
3184  }
3185
3186  for (i=start; i<viewsize && i>=0;) {
3187    m=owl_view_get_element(v, i);
3188    if (owl_message_search(m, owl_global_get_search_string(&g))) {
3189      owl_global_set_curmsg(&g, i);
3190      owl_function_calculate_topmsg(direction);
3191      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3192      if (direction==OWL_DIRECTION_DOWNWARDS) {
3193        owl_global_set_direction_downwards(&g);
3194      } else {
3195        owl_global_set_direction_upwards(&g);
3196      }
3197      return;
3198    }
3199    if (direction==OWL_DIRECTION_DOWNWARDS) {
3200      i++;
3201    } else {
3202      i--;
3203    }
3204  }
3205  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3206  owl_function_error("No matches found");
3207}
3208
3209/* strips formatting from ztext and returns the unformatted text.
3210 * caller is responsible for freeing. */
3211char *owl_function_ztext_stylestrip(char *zt)
3212{
3213  owl_fmtext fm;
3214  char *plaintext;
3215
3216  owl_fmtext_init_null(&fm);
3217  owl_fmtext_append_ztext(&fm, zt);
3218  plaintext = owl_fmtext_print_plain(&fm);
3219  owl_fmtext_free(&fm);
3220  return(plaintext);
3221}
3222
3223/* Popup a buddylisting.  If filename is NULL use the default .anyone */
3224void owl_function_buddylist(int aim, int zephyr, char *filename)
3225{
3226  int i, j, x, idle;
3227  owl_fmtext fm;
3228  owl_buddylist *bl;
3229  owl_buddy *b;
3230  owl_list anyone;
3231  char *foo, *timestr;
3232#ifdef HAVE_LIBZEPHYR
3233  char *tmp, *user, *line;
3234  ZLocations_t location[200];
3235  int numlocs, ret;
3236#endif
3237
3238  owl_fmtext_init_null(&fm);
3239
3240  /* AIM first */
3241  if (aim && owl_global_is_aimloggedin(&g)) {
3242    bl=owl_global_get_buddylist(&g);
3243
3244    owl_fmtext_append_bold(&fm, "AIM users logged in:\n");
3245    /* we're assuming AIM for now */
3246    j=owl_buddylist_get_size(bl);
3247    for (i=0; i<j; i++) {
3248      b=owl_buddylist_get_buddy_n(bl, i);
3249      idle=owl_buddy_get_idle_time(b);
3250      if (idle!=0) {
3251        timestr=owl_util_minutes_to_timestr(idle);
3252      } else {
3253        timestr=owl_strdup("");
3254      }
3255      foo=owl_sprintf("  %-20.20s %-12.12s\n", owl_buddy_get_name(b), timestr);
3256      owl_fmtext_append_normal(&fm, foo);
3257      owl_free(timestr);
3258      owl_free(foo);
3259    }
3260  }
3261
3262#ifdef HAVE_LIBZEPHYR
3263  if (zephyr) {
3264    if(!owl_global_is_havezephyr(&g)) {
3265      owl_function_error("Zephyr currently not available.");
3266    } else {
3267      owl_fmtext_append_bold(&fm, "Zephyr users logged in:\n");
3268      owl_list_create(&anyone);
3269      ret=owl_zephyr_get_anyone_list(&anyone, filename);
3270      if (ret) {
3271        owl_fmtext_append_normal(&fm, "  Error opening file for zephyr buddies.\n");
3272      } else {
3273        j=owl_list_get_size(&anyone);
3274        for (i=0; i<j; i++) {
3275          user=owl_list_get_element(&anyone, i);
3276          ret=ZLocateUser(user, &numlocs, ZAUTH);
3277          if (ret!=ZERR_NONE) {
3278            owl_function_error("Error getting location for %s", user);
3279            continue;
3280          }
3281
3282          numlocs=200;
3283          ret=ZGetLocations(location, &numlocs);
3284          if (ret==0) {
3285            for (x=0; x<numlocs; x++) {
3286              line=malloc(strlen(location[x].host)+strlen(location[x].time)+strlen(location[x].tty)+100);
3287              tmp=short_zuser(user);
3288              sprintf(line, "  %-10.10s %-24.24s %-12.12s  %20.20s\n",
3289                      tmp,
3290                      location[x].host,
3291                      location[x].tty,
3292                      location[x].time);
3293              owl_fmtext_append_normal(&fm, line);
3294              owl_free(tmp);
3295              owl_free(line);
3296            }
3297            if (numlocs>=200) {
3298              owl_fmtext_append_normal(&fm, "  Too many locations found for this user, truncating.\n");
3299            }
3300          }
3301        }
3302      }
3303      owl_list_free_all(&anyone, owl_free);
3304    } 
3305  }
3306#endif
3307
3308  if(aim && zephyr) {
3309      if(owl_perlconfig_is_function("owl::get_blist")) {
3310          char * perlblist = owl_perlconfig_execute("owl::get_blist()");
3311          if(perlblist) {
3312              owl_fmtext_append_ztext(&fm, perlblist);
3313              owl_free(perlblist);
3314          }
3315      }
3316  }
3317 
3318  owl_function_popless_fmtext(&fm);
3319  owl_fmtext_free(&fm);
3320}
3321
3322/* Dump messages in the current view to the file 'filename'. */
3323void owl_function_dump(char *filename) 
3324{
3325  int i, j, count;
3326  owl_message *m;
3327  owl_view *v;
3328  FILE *file;
3329
3330  v=owl_global_get_current_view(&g);
3331
3332  /* in the future make it ask yes/no */
3333  /*
3334  ret=stat(filename, &sbuf);
3335  if (!ret) {
3336    ret=owl_function_askyesno("File exists, continue? [Y/n]");
3337    if (!ret) return;
3338  }
3339  */
3340
3341  file=fopen(filename, "w");
3342  if (!file) {
3343    owl_function_error("Error opening file");
3344    return;
3345  }
3346
3347  count=0;
3348  j=owl_view_get_size(v);
3349  for (i=0; i<j; i++) {
3350    m=owl_view_get_element(v, i);
3351    fputs(owl_message_get_text(m), file);
3352  }
3353  fclose(file);
3354  owl_function_makemsg("Messages dumped to %s", filename);
3355}
3356
3357void owl_function_do_newmsgproc(void)
3358{
3359  if (owl_global_get_newmsgproc(&g) && strcmp(owl_global_get_newmsgproc(&g), "")) {
3360    /* if there's a process out there, we need to check on it */
3361    if (owl_global_get_newmsgproc_pid(&g)) {
3362      owl_function_debugmsg("Checking on newmsgproc pid==%i", owl_global_get_newmsgproc_pid(&g));
3363      owl_function_debugmsg("Waitpid return is %i", waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG));
3364      waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG);
3365      if (waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG)==-1) {
3366        /* it exited */
3367        owl_global_set_newmsgproc_pid(&g, 0);
3368        owl_function_debugmsg("newmsgproc exited");
3369      } else {
3370        owl_function_debugmsg("newmsgproc did not exit");
3371      }
3372    }
3373   
3374    /* if it exited, fork & exec a new one */
3375    if (owl_global_get_newmsgproc_pid(&g)==0) {
3376      int i, myargc;
3377      i=fork();
3378      if (i) {
3379        /* parent set the child's pid */
3380        owl_global_set_newmsgproc_pid(&g, i);
3381        owl_function_debugmsg("I'm the parent and I started a new newmsgproc with pid %i", i);
3382      } else {
3383        /* child exec's the program */
3384        char **parsed;
3385        parsed=owl_parseline(owl_global_get_newmsgproc(&g), &myargc);
3386        if (myargc < 0) {
3387          owl_function_debugmsg("Could not parse newmsgproc '%s': unbalanced quotes?", owl_global_get_newmsgproc(&g));
3388        }
3389        if (myargc <= 0) {
3390          _exit(127);
3391        }
3392        parsed=realloc(parsed, sizeof(*parsed) * (myargc+1));
3393        parsed[myargc] = NULL;
3394       
3395        owl_function_debugmsg("About to exec \"%s\" with %d arguments", parsed[0], myargc);
3396       
3397        execvp(parsed[0], parsed);
3398       
3399       
3400        /* was there an error exec'ing? */
3401        owl_function_debugmsg("Cannot run newmsgproc '%s': cannot exec '%s': %s", 
3402                              owl_global_get_newmsgproc(&g), parsed[0], strerror(errno));
3403        _exit(127);
3404      }
3405    }
3406  }
3407}
3408
3409/* print the xterm escape sequence to raise the window */
3410void owl_function_xterm_raise(void)
3411{
3412  printf("\033[5t");
3413}
3414
3415/* print the xterm escape sequence to deiconify the window */
3416void owl_function_xterm_deiconify(void)
3417{
3418  printf("\033[1t");
3419}
3420
3421/* Add the specified command to the startup file.  Eventually this
3422 * should be clever, and rewriting settings that will obviosly
3423 * override earlier settings with 'set' 'bindkey' and 'alias'
3424 * commands.  For now though we just remove any line that would
3425 * duplicate this one and then append this line to the end of
3426 * startupfile.
3427 */
3428void owl_function_addstartup(char *buff)
3429{
3430  FILE *file;
3431  char *filename;
3432
3433  filename=owl_sprintf("%s/%s", owl_global_get_homedir(&g), OWL_STARTUP_FILE);
3434  file=fopen(filename, "a");
3435  if (!file) {
3436    owl_function_error("Error opening startupfile for new command");
3437    owl_free(filename);
3438    return;
3439  }
3440
3441  /* delete earlier copies */
3442  owl_util_file_deleteline(filename, buff, 1);
3443  owl_free(filename);
3444
3445  /* add this line */
3446  fprintf(file, "%s\n", buff);
3447
3448  fclose(file);
3449}
3450
3451/* Remove the specified command from the startup file. */
3452void owl_function_delstartup(char *buff)
3453{
3454  char *filename;
3455  filename=owl_sprintf("%s/%s", owl_global_get_homedir(&g), OWL_STARTUP_FILE);
3456  owl_util_file_deleteline(filename, buff, 1);
3457  owl_free(filename);
3458}
3459
3460/* Execute owl commands from the given filename.  If the filename
3461 * is NULL, use the default owl startup commands file.
3462 */
3463void owl_function_source(char *filename)
3464{
3465  FILE *file;
3466  char buff[LINE];
3467
3468  if (!filename) {
3469    filename=owl_sprintf("%s/%s", owl_global_get_homedir(&g), OWL_STARTUP_FILE);
3470    file=fopen(filename, "r");
3471    owl_free(filename);
3472  } else {
3473    file=fopen(filename, "r");
3474  }
3475  if (!file) {
3476    /* just fail silently if it doesn't exist */
3477    return;
3478  }
3479  while (fgets(buff, LINE, file)!=NULL) {
3480    buff[strlen(buff)-1]='\0';
3481    owl_function_command(buff);
3482  }
3483  fclose(file);
3484}
3485
3486void owl_function_change_style(owl_view *v, char *stylename)
3487{
3488  owl_style *s;
3489
3490  s=owl_global_get_style_by_name(&g, stylename);
3491  if (!s) {
3492    owl_function_error("No style named %s", stylename);
3493    return;
3494  }
3495  owl_view_set_style(v, s);
3496  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3497  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3498  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3499}
3500
3501void owl_function_toggleoneline()
3502{
3503  owl_view *v;
3504  owl_style *s;
3505
3506  v=owl_global_get_current_view(&g);
3507  s=owl_view_get_style(v);
3508
3509  if (!owl_style_matches_name(s, "oneline")) {
3510    owl_function_change_style(v, "oneline");
3511  } else {
3512    owl_function_change_style(v, owl_global_get_default_style(&g));
3513  }
3514
3515  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3516  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3517  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3518}
3519
3520void owl_function_error(char *fmt, ...)
3521{
3522  va_list ap;
3523  char buff[2048], buff2[2048];
3524  char *date;
3525  time_t now;
3526
3527  now=time(NULL);
3528  date=owl_strdup(ctime(&now));
3529  date[strlen(date)-1]='\0';
3530
3531  va_start(ap, fmt);
3532
3533  vsnprintf(buff, 2048, fmt, ap);
3534  sprintf(buff2, "%s %s", date, buff);
3535  owl_function_debugmsg("ERROR: %s", buff);
3536  if (owl_global_get_curs_msgwin(&g)) {
3537    werase(owl_global_get_curs_msgwin(&g));
3538    waddstr(owl_global_get_curs_msgwin(&g), buff); 
3539    wnoutrefresh(owl_global_get_curs_msgwin(&g));
3540    owl_global_set_needrefresh(&g);
3541  }
3542  owl_errqueue_append_err(owl_global_get_errqueue(&g), buff2);
3543  va_end(ap);
3544  owl_free(date);
3545}
3546
3547void owl_function_showerrs()
3548{
3549  owl_fmtext fm;
3550
3551  owl_fmtext_init_null(&fm);
3552  owl_fmtext_append_normal(&fm, "Errors:\n\n");
3553  owl_errqueue_to_fmtext(owl_global_get_errqueue(&g), &fm);
3554  owl_function_popless_fmtext(&fm);
3555}
3556
3557void owl_function_makemsg(char *fmt, ...)
3558{
3559  va_list ap;
3560  char buff[2048];
3561
3562  if (!owl_global_get_curs_msgwin(&g)) return;
3563
3564  va_start(ap, fmt);
3565  werase(owl_global_get_curs_msgwin(&g));
3566 
3567  vsnprintf(buff, 2048, fmt, ap);
3568  owl_function_debugmsg("makemsg: %s", buff);
3569  waddstr(owl_global_get_curs_msgwin(&g), buff); 
3570  wnoutrefresh(owl_global_get_curs_msgwin(&g));
3571  owl_global_set_needrefresh(&g);
3572  va_end(ap);
3573}
3574
3575/* get locations for everyone in .anyone.  If 'notify' is '1' then
3576 * send a pseudo login or logout message for everyone not in sync with
3577 * the global zephyr buddy list.  The list is updated regardless of
3578 * the status of 'notify'.
3579 */
3580void owl_function_zephyr_buddy_check(int notify)
3581{
3582#ifdef HAVE_LIBZEPHYR
3583  int i, j;
3584  owl_list anyone;
3585  owl_message *m;
3586  owl_zbuddylist *zbl;
3587  char *user;
3588  ZLocations_t location[200];
3589  int numlocs, ret;
3590
3591  zbl=owl_global_get_zephyr_buddylist(&g);
3592
3593  owl_list_create(&anyone);
3594  ret=owl_zephyr_get_anyone_list(&anyone, NULL);
3595
3596  j=owl_list_get_size(&anyone);
3597  for (i=0; i<j; i++) {
3598    user=owl_list_get_element(&anyone, i);
3599    ret=ZLocateUser(user, &numlocs, ZAUTH);
3600    if (ret!=ZERR_NONE) {
3601      owl_function_error("Error getting location for %s", user);
3602      continue;
3603    }
3604    numlocs=200;
3605    ret=ZGetLocations(location, &numlocs);
3606    if (ret==0) {
3607      if ((numlocs>0) && !owl_zbuddylist_contains_user(zbl, user)) {
3608        /* Send a PSEUDO LOGIN! */
3609        if (notify) {
3610          m=owl_malloc(sizeof(owl_message));
3611          owl_message_create_pseudo_zlogin(m, 0, user, location[0].host, location[0].time, location[0].tty);
3612          owl_global_messagequeue_addmsg(&g, m);
3613        }
3614        owl_zbuddylist_adduser(zbl, user);
3615        owl_function_debugmsg("owl_function_zephyr_buddy_check: login for %s ", user);
3616      } else if ((numlocs==0) && owl_zbuddylist_contains_user(zbl, user)) {
3617        /* I don't think this ever happens (if there are 0 locations we should get an error from
3618         * ZGetLocations)
3619         */
3620        owl_function_error("owl_function_zephyr_buddy_check: exceptional case logout for %s ",user);
3621      }
3622    } else if ((ret==ZERR_NOLOCATIONS) && owl_zbuddylist_contains_user(zbl, user)) {
3623      /* Send a PSEUDO LOGOUT! */
3624      if (notify) {
3625        m=owl_malloc(sizeof(owl_message));
3626        owl_message_create_pseudo_zlogin(m, 1, user, "", "", "");
3627        owl_global_messagequeue_addmsg(&g, m);
3628      }
3629      owl_zbuddylist_deluser(zbl, user);
3630      owl_function_debugmsg("owl_function_zephyr_buddy_check: logout for %s ",user);
3631    }
3632  }
3633
3634  owl_list_free_all(&anyone, owl_free);
3635#endif
3636}
3637
3638void owl_function_aimsearch_results(char *email, owl_list *namelist)
3639{
3640  owl_fmtext fm;
3641  int i, j;
3642
3643  owl_fmtext_init_null(&fm);
3644  owl_fmtext_append_normal(&fm, "AIM screennames associated with ");
3645  owl_fmtext_append_normal(&fm, email);
3646  owl_fmtext_append_normal(&fm, ":\n");
3647
3648  j=owl_list_get_size(namelist);
3649  for (i=0; i<j; i++) {
3650    owl_fmtext_append_normal(&fm, "  ");
3651    owl_fmtext_append_normal(&fm, owl_list_get_element(namelist, i));
3652    owl_fmtext_append_normal(&fm, "\n");
3653  }
3654
3655  owl_function_popless_fmtext(&fm);
3656  owl_fmtext_free(&fm);
3657}
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